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Finding the Fourth Proportional to 16,472.90, 22,743.08 and 10,817.69

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Solution

The fourth proportional to 16,472.90, 22,743.08 and 10,817.69 is: 14,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.90 : 22,743.08 = 10,817.69 : x
  2. Step 2: Convert to fraction form
    16,472.90/22,743.08 = 10,817.69/x
  3. Step 3: Cross multiply
    16,472.90x = 22,743.08 × 10,817.69
  4. Step 4: Simplify right side
    16,472.90x = 246,027,421.28
  5. Step 5: Solve for x
    x = 246,027,421.28/16,472.90
  6. Step 6: Final answer
    x = 14,935.29

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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.