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Finding the Fourth Proportional to 14,691.45, 22,037.18 and 8,859.45

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Solution

The fourth proportional to 14,691.45, 22,037.18 and 8,859.45 is: 13,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.45 : 22,037.18 = 8,859.45 : x
  2. Step 2: Convert to fraction form
    14,691.45/22,037.18 = 8,859.45/x
  3. Step 3: Cross multiply
    14,691.45x = 22,037.18 × 8,859.45
  4. Step 4: Simplify right side
    14,691.45x = 195,237,250.05
  5. Step 5: Solve for x
    x = 195,237,250.05/14,691.45
  6. Step 6: Final answer
    x = 13,289.18

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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.