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Finding the Fourth Proportional to 16,710.66, 23,062.11 and 9,542.79

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Solution

The fourth proportional to 16,710.66, 23,062.11 and 9,542.79 is: 13,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.66 : 23,062.11 = 9,542.79 : x
  2. Step 2: Convert to fraction form
    16,710.66/23,062.11 = 9,542.79/x
  3. Step 3: Cross multiply
    16,710.66x = 23,062.11 × 9,542.79
  4. Step 4: Simplify right side
    16,710.66x = 220,076,872.69
  5. Step 5: Solve for x
    x = 220,076,872.69/16,710.66
  6. Step 6: Final answer
    x = 13,169.85

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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.