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Finding the Fourth Proportional to 59.63, 89.28 and 46.17

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Solution

The fourth proportional to 59.63, 89.28 and 46.17 is: 69.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.63 : 89.28 = 46.17 : x
  2. Step 2: Convert to fraction form
    59.63/89.28 = 46.17/x
  3. Step 3: Cross multiply
    59.63x = 89.28 × 46.17
  4. Step 4: Simplify right side
    59.63x = 4,122.06
  5. Step 5: Solve for x
    x = 4,122.06/59.63
  6. Step 6: Final answer
    x = 69.13

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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.