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Finding the Fourth Proportional to 16,672.10, 22,996.58 and 9,952.47

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Solution

The fourth proportional to 16,672.10, 22,996.58 and 9,952.47 is: 13,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.10 : 22,996.58 = 9,952.47 : x
  2. Step 2: Convert to fraction form
    16,672.10/22,996.58 = 9,952.47/x
  3. Step 3: Cross multiply
    16,672.10x = 22,996.58 × 9,952.47
  4. Step 4: Simplify right side
    16,672.10x = 228,872,722.79
  5. Step 5: Solve for x
    x = 228,872,722.79/16,672.10
  6. Step 6: Final answer
    x = 13,727.89

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1.5x scale

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.