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Finding the Fourth Proportional to 18,001.34, 24,841.67 and 9,935.07

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Solution

The fourth proportional to 18,001.34, 24,841.67 and 9,935.07 is: 13,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.34 : 24,841.67 = 9,935.07 : x
  2. Step 2: Convert to fraction form
    18,001.34/24,841.67 = 9,935.07/x
  3. Step 3: Cross multiply
    18,001.34x = 24,841.67 × 9,935.07
  4. Step 4: Simplify right side
    18,001.34x = 246,803,680.69
  5. Step 5: Solve for x
    x = 246,803,680.69/18,001.34
  6. Step 6: Final answer
    x = 13,710.30

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Half scale
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Double scale
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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.