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Finding the Fourth Proportional to 59.67, 82.32 and 45.13

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Solution

The fourth proportional to 59.67, 82.32 and 45.13 is: 62.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.67 : 82.32 = 45.13 : x
  2. Step 2: Convert to fraction form
    59.67/82.32 = 45.13/x
  3. Step 3: Cross multiply
    59.67x = 82.32 × 45.13
  4. Step 4: Simplify right side
    59.67x = 3,715.10
  5. Step 5: Solve for x
    x = 3,715.10/59.67
  6. Step 6: Final answer
    x = 62.26

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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.