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Finding the Fourth Proportional to 16,679.70, 23,007.12 and 10,701.90

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Solution

The fourth proportional to 16,679.70, 23,007.12 and 10,701.90 is: 14,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.70 : 23,007.12 = 10,701.90 : x
  2. Step 2: Convert to fraction form
    16,679.70/23,007.12 = 10,701.90/x
  3. Step 3: Cross multiply
    16,679.70x = 23,007.12 × 10,701.90
  4. Step 4: Simplify right side
    16,679.70x = 246,219,897.53
  5. Step 5: Solve for x
    x = 246,219,897.53/16,679.70
  6. Step 6: Final answer
    x = 14,761.65

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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.