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Finding the Fourth Proportional to 59,778.90, 82,491.57 and 32,916.16

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Solution

The fourth proportional to 59,778.90, 82,491.57 and 32,916.16 is: 45,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,778.90 : 82,491.57 = 32,916.16 : x
  2. Step 2: Convert to fraction form
    59,778.90/82,491.57 = 32,916.16/x
  3. Step 3: Cross multiply
    59,778.90x = 82,491.57 × 32,916.16
  4. Step 4: Simplify right side
    59,778.90x = 2,715,305,716.77
  5. Step 5: Solve for x
    x = 2,715,305,716.77/59,778.90
  6. Step 6: Final answer
    x = 45,422.48

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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.