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Finding the Fourth Proportional to 61,759.71, 85,229.96 and 37,899.54

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Solution

The fourth proportional to 61,759.71, 85,229.96 and 37,899.54 is: 52,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.71 : 85,229.96 = 37,899.54 : x
  2. Step 2: Convert to fraction form
    61,759.71/85,229.96 = 37,899.54/x
  3. Step 3: Cross multiply
    61,759.71x = 85,229.96 × 37,899.54
  4. Step 4: Simplify right side
    61,759.71x = 3,230,176,088.72
  5. Step 5: Solve for x
    x = 3,230,176,088.72/61,759.71
  6. Step 6: Final answer
    x = 52,302.32

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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.