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Finding the Fourth Proportional to 16,448.70, 22,699.26 and 9,375.24

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Solution

The fourth proportional to 16,448.70, 22,699.26 and 9,375.24 is: 12,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.70 : 22,699.26 = 9,375.24 : x
  2. Step 2: Convert to fraction form
    16,448.70/22,699.26 = 9,375.24/x
  3. Step 3: Cross multiply
    16,448.70x = 22,699.26 × 9,375.24
  4. Step 4: Simplify right side
    16,448.70x = 212,811,010.32
  5. Step 5: Solve for x
    x = 212,811,010.32/16,448.70
  6. Step 6: Final answer
    x = 12,937.86

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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.