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Finding the Fourth Proportional to 59.60, 89.52 and 38

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Solution

The fourth proportional to 59.60, 89.52 and 38 is: 57.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.60 : 89.52 = 38 : x
  2. Step 2: Convert to fraction form
    59.60/89.52 = 38/x
  3. Step 3: Cross multiply
    59.60x = 89.52 × 38
  4. Step 4: Simplify right side
    59.60x = 3,401.76
  5. Step 5: Solve for x
    x = 3,401.76/59.60
  6. Step 6: Final answer
    x = 57.08

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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.