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Finding the Fourth Proportional to 16,422.88, 22,657.94 and 9,251.68

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Solution

The fourth proportional to 16,422.88, 22,657.94 and 9,251.68 is: 12,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.88 : 22,657.94 = 9,251.68 : x
  2. Step 2: Convert to fraction form
    16,422.88/22,657.94 = 9,251.68/x
  3. Step 3: Cross multiply
    16,422.88x = 22,657.94 × 9,251.68
  4. Step 4: Simplify right side
    16,422.88x = 209,624,010.34
  5. Step 5: Solve for x
    x = 209,624,010.34/16,422.88
  6. Step 6: Final answer
    x = 12,764.14

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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.