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Finding the Fourth Proportional to 59.32, 88.61 and 56.26

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Solution

The fourth proportional to 59.32, 88.61 and 56.26 is: 84.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.32 : 88.61 = 56.26 : x
  2. Step 2: Convert to fraction form
    59.32/88.61 = 56.26/x
  3. Step 3: Cross multiply
    59.32x = 88.61 × 56.26
  4. Step 4: Simplify right side
    59.32x = 4,985.20
  5. Step 5: Solve for x
    x = 4,985.20/59.32
  6. Step 6: Final answer
    x = 84.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.