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Finding the Fourth Proportional to 60,491.73, 90,472.32 and 53,874.91

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Solution

The fourth proportional to 60,491.73, 90,472.32 and 53,874.91 is: 80,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,491.73 : 90,472.32 = 53,874.91 : x
  2. Step 2: Convert to fraction form
    60,491.73/90,472.32 = 53,874.91/x
  3. Step 3: Cross multiply
    60,491.73x = 90,472.32 × 53,874.91
  4. Step 4: Simplify right side
    60,491.73x = 4,874,188,097.49
  5. Step 5: Solve for x
    x = 4,874,188,097.49/60,491.73
  6. Step 6: Final answer
    x = 80,576.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.