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Finding the Fourth Proportional to 59.18, 88.54 and 52.34

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Solution

The fourth proportional to 59.18, 88.54 and 52.34 is: 78.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.18 : 88.54 = 52.34 : x
  2. Step 2: Convert to fraction form
    59.18/88.54 = 52.34/x
  3. Step 3: Cross multiply
    59.18x = 88.54 × 52.34
  4. Step 4: Simplify right side
    59.18x = 4,634.18
  5. Step 5: Solve for x
    x = 4,634.18/59.18
  6. Step 6: Final answer
    x = 78.31

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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.