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Finding the Fourth Proportional to 55.04, 82.46 and 29.32

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Solution

The fourth proportional to 55.04, 82.46 and 29.32 is: 43.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.04 : 82.46 = 29.32 : x
  2. Step 2: Convert to fraction form
    55.04/82.46 = 29.32/x
  3. Step 3: Cross multiply
    55.04x = 82.46 × 29.32
  4. Step 4: Simplify right side
    55.04x = 2,417.73
  5. Step 5: Solve for x
    x = 2,417.73/55.04
  6. Step 6: Final answer
    x = 43.93

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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.