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Finding the Fourth Proportional to 44.38, 66.32 and 32.13

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Solution

The fourth proportional to 44.38, 66.32 and 32.13 is: 48.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.38 : 66.32 = 32.13 : x
  2. Step 2: Convert to fraction form
    44.38/66.32 = 32.13/x
  3. Step 3: Cross multiply
    44.38x = 66.32 × 32.13
  4. Step 4: Simplify right side
    44.38x = 2,130.86
  5. Step 5: Solve for x
    x = 2,130.86/44.38
  6. Step 6: Final answer
    x = 48.01

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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.