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Finding the Fourth Proportional to 14,729.76, 22,098.04 and 7,713.58

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Solution

The fourth proportional to 14,729.76, 22,098.04 and 7,713.58 is: 11,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.76 : 22,098.04 = 7,713.58 : x
  2. Step 2: Convert to fraction form
    14,729.76/22,098.04 = 7,713.58/x
  3. Step 3: Cross multiply
    14,729.76x = 22,098.04 × 7,713.58
  4. Step 4: Simplify right side
    14,729.76x = 170,454,999.38
  5. Step 5: Solve for x
    x = 170,454,999.38/14,729.76
  6. Step 6: Final answer
    x = 11,572.15

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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.