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Finding the Fourth Proportional to 23.18, 32.01 and 14.99

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Solution

The fourth proportional to 23.18, 32.01 and 14.99 is: 20.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.18 : 32.01 = 14.99 : x
  2. Step 2: Convert to fraction form
    23.18/32.01 = 14.99/x
  3. Step 3: Cross multiply
    23.18x = 32.01 × 14.99
  4. Step 4: Simplify right side
    23.18x = 479.91
  5. Step 5: Solve for x
    x = 479.91/23.18
  6. Step 6: Final answer
    x = 20.70

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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.