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Finding the Fourth Proportional to 32.64, 49.04 and 32.52

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Solution

The fourth proportional to 32.64, 49.04 and 32.52 is: 48.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.64 : 49.04 = 32.52 : x
  2. Step 2: Convert to fraction form
    32.64/49.04 = 32.52/x
  3. Step 3: Cross multiply
    32.64x = 49.04 × 32.52
  4. Step 4: Simplify right side
    32.64x = 1,594.78
  5. Step 5: Solve for x
    x = 1,594.78/32.64
  6. Step 6: Final answer
    x = 48.86

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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.