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Finding the Fourth Proportional to 24,000.25, 33,120.25 and 13,389.87

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Solution

The fourth proportional to 24,000.25, 33,120.25 and 13,389.87 is: 18,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,000.25 : 33,120.25 = 13,389.87 : x
  2. Step 2: Convert to fraction form
    24,000.25/33,120.25 = 13,389.87/x
  3. Step 3: Cross multiply
    24,000.25x = 33,120.25 × 13,389.87
  4. Step 4: Simplify right side
    24,000.25x = 443,475,841.87
  5. Step 5: Solve for x
    x = 443,475,841.87/24,000.25
  6. Step 6: Final answer
    x = 18,477.97

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Half scale
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Double scale
Find fourth proportional to 24,001.25, 33,121.63 and 13,390.87
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.