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Finding the Fourth Proportional to 61,557.88, 84,943.74 and 37,691.32

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Solution

The fourth proportional to 61,557.88, 84,943.74 and 37,691.32 is: 52,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.88 : 84,943.74 = 37,691.32 : x
  2. Step 2: Convert to fraction form
    61,557.88/84,943.74 = 37,691.32/x
  3. Step 3: Cross multiply
    61,557.88x = 84,943.74 × 37,691.32
  4. Step 4: Simplify right side
    61,557.88x = 3,201,641,686.34
  5. Step 5: Solve for x
    x = 3,201,641,686.34/61,557.88
  6. Step 6: Final answer
    x = 52,010.27

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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.