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Finding the Fourth Proportional to 59.34, 88.47 and 58.26

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Solution

The fourth proportional to 59.34, 88.47 and 58.26 is: 86.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.34 : 88.47 = 58.26 : x
  2. Step 2: Convert to fraction form
    59.34/88.47 = 58.26/x
  3. Step 3: Cross multiply
    59.34x = 88.47 × 58.26
  4. Step 4: Simplify right side
    59.34x = 5,154.26
  5. Step 5: Solve for x
    x = 5,154.26/59.34
  6. Step 6: Final answer
    x = 86.86

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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.