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Finding the Fourth Proportional to 66,092.38, 91,207.54 and 35,877.71

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Solution

The fourth proportional to 66,092.38, 91,207.54 and 35,877.71 is: 49,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.38 : 91,207.54 = 35,877.71 : x
  2. Step 2: Convert to fraction form
    66,092.38/91,207.54 = 35,877.71/x
  3. Step 3: Cross multiply
    66,092.38x = 91,207.54 × 35,877.71
  4. Step 4: Simplify right side
    66,092.38x = 3,272,317,787.18
  5. Step 5: Solve for x
    x = 3,272,317,787.18/66,092.38
  6. Step 6: Final answer
    x = 49,511.27

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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.