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Finding the Fourth Proportional to 12,476.41, 17,200.90 and 10,343.89

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Solution

The fourth proportional to 12,476.41, 17,200.90 and 10,343.89 is: 14,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.41 : 17,200.90 = 10,343.89 : x
  2. Step 2: Convert to fraction form
    12,476.41/17,200.90 = 10,343.89/x
  3. Step 3: Cross multiply
    12,476.41x = 17,200.90 × 10,343.89
  4. Step 4: Simplify right side
    12,476.41x = 177,924,217.50
  5. Step 5: Solve for x
    x = 177,924,217.50/12,476.41
  6. Step 6: Final answer
    x = 14,260.85

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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.