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Finding the Fourth Proportional to 22,524.60, 31,084.02 and 12,453.60

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Solution

The fourth proportional to 22,524.60, 31,084.02 and 12,453.60 is: 17,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524.60 : 31,084.02 = 12,453.60 : x
  2. Step 2: Convert to fraction form
    22,524.60/31,084.02 = 12,453.60/x
  3. Step 3: Cross multiply
    22,524.60x = 31,084.02 × 12,453.60
  4. Step 4: Simplify right side
    22,524.60x = 387,107,951.47
  5. Step 5: Solve for x
    x = 387,107,951.47/22,524.60
  6. Step 6: Final answer
    x = 17,186.01

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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.