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Finding the Fourth Proportional to 32.28, 48.41 and 9.45

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Solution

The fourth proportional to 32.28, 48.41 and 9.45 is: 14.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.28 : 48.41 = 9.45 : x
  2. Step 2: Convert to fraction form
    32.28/48.41 = 9.45/x
  3. Step 3: Cross multiply
    32.28x = 48.41 × 9.45
  4. Step 4: Simplify right side
    32.28x = 457.46
  5. Step 5: Solve for x
    x = 457.46/32.28
  6. Step 6: Final answer
    x = 14.17

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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.