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Finding the Fourth Proportional to 59.10, 88.64 and 35.04

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Solution

The fourth proportional to 59.10, 88.64 and 35.04 is: 52.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.10 : 88.64 = 35.04 : x
  2. Step 2: Convert to fraction form
    59.10/88.64 = 35.04/x
  3. Step 3: Cross multiply
    59.10x = 88.64 × 35.04
  4. Step 4: Simplify right side
    59.10x = 3,105.95
  5. Step 5: Solve for x
    x = 3,105.95/59.10
  6. Step 6: Final answer
    x = 52.55

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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.