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Finding the Fourth Proportional to 16,453.13, 22,705.31 and 9,001.13

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Solution

The fourth proportional to 16,453.13, 22,705.31 and 9,001.13 is: 12,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,453.13 : 22,705.31 = 9,001.13 : x
  2. Step 2: Convert to fraction form
    16,453.13/22,705.31 = 9,001.13/x
  3. Step 3: Cross multiply
    16,453.13x = 22,705.31 × 9,001.13
  4. Step 4: Simplify right side
    16,453.13x = 204,373,355.98
  5. Step 5: Solve for x
    x = 204,373,355.98/16,453.13
  6. Step 6: Final answer
    x = 12,421.55

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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.