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Finding the Fourth Proportional to 59.34, 88.48 and 52.92

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Solution

The fourth proportional to 59.34, 88.48 and 52.92 is: 78.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.34 : 88.48 = 52.92 : x
  2. Step 2: Convert to fraction form
    59.34/88.48 = 52.92/x
  3. Step 3: Cross multiply
    59.34x = 88.48 × 52.92
  4. Step 4: Simplify right side
    59.34x = 4,682.36
  5. Step 5: Solve for x
    x = 4,682.36/59.34
  6. Step 6: Final answer
    x = 78.91

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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.