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Finding the Fourth Proportional to 61,656, 85,070.43 and 37,456.26

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Solution

The fourth proportional to 61,656, 85,070.43 and 37,456.26 is: 51,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,656 : 85,070.43 = 37,456.26 : x
  2. Step 2: Convert to fraction form
    61,656/85,070.43 = 37,456.26/x
  3. Step 3: Cross multiply
    61,656x = 85,070.43 × 37,456.26
  4. Step 4: Simplify right side
    61,656x = 3,186,420,144.39
  5. Step 5: Solve for x
    x = 3,186,420,144.39/61,656
  6. Step 6: Final answer
    x = 51,680.62

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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.