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Finding the Fourth Proportional to 59.63, 82.34 and 55.01

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Solution

The fourth proportional to 59.63, 82.34 and 55.01 is: 75.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.63 : 82.34 = 55.01 : x
  2. Step 2: Convert to fraction form
    59.63/82.34 = 55.01/x
  3. Step 3: Cross multiply
    59.63x = 82.34 × 55.01
  4. Step 4: Simplify right side
    59.63x = 4,528.84
  5. Step 5: Solve for x
    x = 4,528.84/59.63
  6. Step 6: Final answer
    x = 75.96

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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.