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Finding the Fourth Proportional to 5,873.49, 8,810.11 and 1,431.18

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Solution

The fourth proportional to 5,873.49, 8,810.11 and 1,431.18 is: 2,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.49 : 8,810.11 = 1,431.18 : x
  2. Step 2: Convert to fraction form
    5,873.49/8,810.11 = 1,431.18/x
  3. Step 3: Cross multiply
    5,873.49x = 8,810.11 × 1,431.18
  4. Step 4: Simplify right side
    5,873.49x = 12,608,853.23
  5. Step 5: Solve for x
    x = 12,608,853.23/5,873.49
  6. Step 6: Final answer
    x = 2,146.74

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Half scale
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Double scale
Find fourth proportional to 5,874.49, 8,811.61 and 1,432.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.