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Finding the Fourth Proportional to 44.03, 65.60 and 39.24

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Solution

The fourth proportional to 44.03, 65.60 and 39.24 is: 58.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.03 : 65.60 = 39.24 : x
  2. Step 2: Convert to fraction form
    44.03/65.60 = 39.24/x
  3. Step 3: Cross multiply
    44.03x = 65.60 × 39.24
  4. Step 4: Simplify right side
    44.03x = 2,573.95
  5. Step 5: Solve for x
    x = 2,573.95/44.03
  6. Step 6: Final answer
    x = 58.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.