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Finding the Fourth Proportional to 13,773.88, 20,652.18 and 9,088.92

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Solution

The fourth proportional to 13,773.88, 20,652.18 and 9,088.92 is: 13,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.88 : 20,652.18 = 9,088.92 : x
  2. Step 2: Convert to fraction form
    13,773.88/20,652.18 = 9,088.92/x
  3. Step 3: Cross multiply
    13,773.88x = 20,652.18 × 9,088.92
  4. Step 4: Simplify right side
    13,773.88x = 187,706,011.85
  5. Step 5: Solve for x
    x = 187,706,011.85/13,773.88
  6. Step 6: Final answer
    x = 13,627.68

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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.