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Finding the Fourth Proportional to 14,720.88, 22,084.73 and 7,704.71

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Solution

The fourth proportional to 14,720.88, 22,084.73 and 7,704.71 is: 11,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.88 : 22,084.73 = 7,704.71 : x
  2. Step 2: Convert to fraction form
    14,720.88/22,084.73 = 7,704.71/x
  3. Step 3: Cross multiply
    14,720.88x = 22,084.73 × 7,704.71
  4. Step 4: Simplify right side
    14,720.88x = 170,156,440.08
  5. Step 5: Solve for x
    x = 170,156,440.08/14,720.88
  6. Step 6: Final answer
    x = 11,558.85

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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.