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Finding the Fourth Proportional to 61,010.46, 84,151.04 and 55,990.89

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Solution

The fourth proportional to 61,010.46, 84,151.04 and 55,990.89 is: 77,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.46 : 84,151.04 = 55,990.89 : x
  2. Step 2: Convert to fraction form
    61,010.46/84,151.04 = 55,990.89/x
  3. Step 3: Cross multiply
    61,010.46x = 84,151.04 × 55,990.89
  4. Step 4: Simplify right side
    61,010.46x = 4,711,691,344.07
  5. Step 5: Solve for x
    x = 4,711,691,344.07/61,010.46
  6. Step 6: Final answer
    x = 77,227.60

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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.