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Finding the Fourth Proportional to 16,250.40, 22,424.40 and 9,176.40

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Solution

The fourth proportional to 16,250.40, 22,424.40 and 9,176.40 is: 12,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,250.40 : 22,424.40 = 9,176.40 : x
  2. Step 2: Convert to fraction form
    16,250.40/22,424.40 = 9,176.40/x
  3. Step 3: Cross multiply
    16,250.40x = 22,424.40 × 9,176.40
  4. Step 4: Simplify right side
    16,250.40x = 205,775,264.16
  5. Step 5: Solve for x
    x = 205,775,264.16/16,250.40
  6. Step 6: Final answer
    x = 12,662.78

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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.