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Finding the Fourth Proportional to 59.44, 89.08 and 56.88

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Solution

The fourth proportional to 59.44, 89.08 and 56.88 is: 85.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.44 : 89.08 = 56.88 : x
  2. Step 2: Convert to fraction form
    59.44/89.08 = 56.88/x
  3. Step 3: Cross multiply
    59.44x = 89.08 × 56.88
  4. Step 4: Simplify right side
    59.44x = 5,066.87
  5. Step 5: Solve for x
    x = 5,066.87/59.44
  6. Step 6: Final answer
    x = 85.24

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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.