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Finding the Fourth Proportional to 61,356.92, 84,670.36 and 34,500.97

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Solution

The fourth proportional to 61,356.92, 84,670.36 and 34,500.97 is: 47,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.92 : 84,670.36 = 34,500.97 : x
  2. Step 2: Convert to fraction form
    61,356.92/84,670.36 = 34,500.97/x
  3. Step 3: Cross multiply
    61,356.92x = 84,670.36 × 34,500.97
  4. Step 4: Simplify right side
    61,356.92x = 2,921,209,550.25
  5. Step 5: Solve for x
    x = 2,921,209,550.25/61,356.92
  6. Step 6: Final answer
    x = 47,610.11

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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.