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Finding the Fourth Proportional to 32.32, 48.51 and 14.29

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Solution

The fourth proportional to 32.32, 48.51 and 14.29 is: 21.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.32 : 48.51 = 14.29 : x
  2. Step 2: Convert to fraction form
    32.32/48.51 = 14.29/x
  3. Step 3: Cross multiply
    32.32x = 48.51 × 14.29
  4. Step 4: Simplify right side
    32.32x = 693.21
  5. Step 5: Solve for x
    x = 693.21/32.32
  6. Step 6: Final answer
    x = 21.45

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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.