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Finding the Fourth Proportional to 44.04, 65.92 and 39.16

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Solution

The fourth proportional to 44.04, 65.92 and 39.16 is: 58.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.04 : 65.92 = 39.16 : x
  2. Step 2: Convert to fraction form
    44.04/65.92 = 39.16/x
  3. Step 3: Cross multiply
    44.04x = 65.92 × 39.16
  4. Step 4: Simplify right side
    44.04x = 2,581.43
  5. Step 5: Solve for x
    x = 2,581.43/44.04
  6. Step 6: Final answer
    x = 58.62

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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.