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Finding the Fourth Proportional to 14,694.40, 22,063.20 and 8,862.40

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Solution

The fourth proportional to 14,694.40, 22,063.20 and 8,862.40 is: 13,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.40 : 22,063.20 = 8,862.40 : x
  2. Step 2: Convert to fraction form
    14,694.40/22,063.20 = 8,862.40/x
  3. Step 3: Cross multiply
    14,694.40x = 22,063.20 × 8,862.40
  4. Step 4: Simplify right side
    14,694.40x = 195,532,903.68
  5. Step 5: Solve for x
    x = 195,532,903.68/14,694.40
  6. Step 6: Final answer
    x = 13,306.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.