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Finding the Fourth Proportional to 59, 88.38 and 48.14

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Solution

The fourth proportional to 59, 88.38 and 48.14 is: 72.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59 : 88.38 = 48.14 : x
  2. Step 2: Convert to fraction form
    59/88.38 = 48.14/x
  3. Step 3: Cross multiply
    59x = 88.38 × 48.14
  4. Step 4: Simplify right side
    59x = 4,254.61
  5. Step 5: Solve for x
    x = 4,254.61/59
  6. Step 6: Final answer
    x = 72.11

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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.