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Finding the Fourth Proportional to 61,225.48, 84,481.14 and 36,071.56

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Solution

The fourth proportional to 61,225.48, 84,481.14 and 36,071.56 is: 49,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,225.48 : 84,481.14 = 36,071.56 : x
  2. Step 2: Convert to fraction form
    61,225.48/84,481.14 = 36,071.56/x
  3. Step 3: Cross multiply
    61,225.48x = 84,481.14 × 36,071.56
  4. Step 4: Simplify right side
    61,225.48x = 3,047,366,510.38
  5. Step 5: Solve for x
    x = 3,047,366,510.38/61,225.48
  6. Step 6: Final answer
    x = 49,772.85

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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.