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Finding the Fourth Proportional to 59.58, 82.01 and 51.76

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Solution

The fourth proportional to 59.58, 82.01 and 51.76 is: 71.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.58 : 82.01 = 51.76 : x
  2. Step 2: Convert to fraction form
    59.58/82.01 = 51.76/x
  3. Step 3: Cross multiply
    59.58x = 82.01 × 51.76
  4. Step 4: Simplify right side
    59.58x = 4,244.17
  5. Step 5: Solve for x
    x = 4,244.17/59.58
  6. Step 6: Final answer
    x = 71.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.