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Finding the Fourth Proportional to 61,772.97, 92,761.97 and 38,547.03

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Solution

The fourth proportional to 61,772.97, 92,761.97 and 38,547.03 is: 57,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,772.97 : 92,761.97 = 38,547.03 : x
  2. Step 2: Convert to fraction form
    61,772.97/92,761.97 = 38,547.03/x
  3. Step 3: Cross multiply
    61,772.97x = 92,761.97 × 38,547.03
  4. Step 4: Simplify right side
    61,772.97x = 3,575,698,247.71
  5. Step 5: Solve for x
    x = 3,575,698,247.71/61,772.97
  6. Step 6: Final answer
    x = 57,884.51

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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.