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Finding the Fourth Proportional to 14,910.65, 20,577.24 and 8,941.17

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Solution

The fourth proportional to 14,910.65, 20,577.24 and 8,941.17 is: 12,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.65 : 20,577.24 = 8,941.17 : x
  2. Step 2: Convert to fraction form
    14,910.65/20,577.24 = 8,941.17/x
  3. Step 3: Cross multiply
    14,910.65x = 20,577.24 × 8,941.17
  4. Step 4: Simplify right side
    14,910.65x = 183,984,600.97
  5. Step 5: Solve for x
    x = 183,984,600.97/14,910.65
  6. Step 6: Final answer
    x = 12,339.14

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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.