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Finding the Fourth Proportional to 32.13, 48.24 and 30.24

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Solution

The fourth proportional to 32.13, 48.24 and 30.24 is: 45.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.13 : 48.24 = 30.24 : x
  2. Step 2: Convert to fraction form
    32.13/48.24 = 30.24/x
  3. Step 3: Cross multiply
    32.13x = 48.24 × 30.24
  4. Step 4: Simplify right side
    32.13x = 1,458.78
  5. Step 5: Solve for x
    x = 1,458.78/32.13
  6. Step 6: Final answer
    x = 45.40

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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.