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Finding the Fourth Proportional to 44.98, 62.03 and 31.18

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Solution

The fourth proportional to 44.98, 62.03 and 31.18 is: 43.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.98 : 62.03 = 31.18 : x
  2. Step 2: Convert to fraction form
    44.98/62.03 = 31.18/x
  3. Step 3: Cross multiply
    44.98x = 62.03 × 31.18
  4. Step 4: Simplify right side
    44.98x = 1,934.10
  5. Step 5: Solve for x
    x = 1,934.10/44.98
  6. Step 6: Final answer
    x = 43.00

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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.