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Finding the Fourth Proportional to 48.03, 66.29 and 32.56

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Solution

The fourth proportional to 48.03, 66.29 and 32.56 is: 44.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.03 : 66.29 = 32.56 : x
  2. Step 2: Convert to fraction form
    48.03/66.29 = 32.56/x
  3. Step 3: Cross multiply
    48.03x = 66.29 × 32.56
  4. Step 4: Simplify right side
    48.03x = 2,158.71
  5. Step 5: Solve for x
    x = 2,158.71/48.03
  6. Step 6: Final answer
    x = 44.95

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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.