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Finding the Fourth Proportional to 16,627.70, 24,880.80 and 12,253.70

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Solution

The fourth proportional to 16,627.70, 24,880.80 and 12,253.70 is: 18,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,627.70 : 24,880.80 = 12,253.70 : x
  2. Step 2: Convert to fraction form
    16,627.70/24,880.80 = 12,253.70/x
  3. Step 3: Cross multiply
    16,627.70x = 24,880.80 × 12,253.70
  4. Step 4: Simplify right side
    16,627.70x = 304,881,858.96
  5. Step 5: Solve for x
    x = 304,881,858.96/16,627.70
  6. Step 6: Final answer
    x = 18,335.78

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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.