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Finding the Fourth Proportional to 14,892.53, 20,551.72 and 8,604.91

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Solution

The fourth proportional to 14,892.53, 20,551.72 and 8,604.91 is: 11,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.53 : 20,551.72 = 8,604.91 : x
  2. Step 2: Convert to fraction form
    14,892.53/20,551.72 = 8,604.91/x
  3. Step 3: Cross multiply
    14,892.53x = 20,551.72 × 8,604.91
  4. Step 4: Simplify right side
    14,892.53x = 176,845,700.95
  5. Step 5: Solve for x
    x = 176,845,700.95/14,892.53
  6. Step 6: Final answer
    x = 11,874.79

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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.