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Finding the Fourth Proportional to 10,375.46, 15,560.39 and 3,801.68

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Solution

The fourth proportional to 10,375.46, 15,560.39 and 3,801.68 is: 5,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.46 : 15,560.39 = 3,801.68 : x
  2. Step 2: Convert to fraction form
    10,375.46/15,560.39 = 3,801.68/x
  3. Step 3: Cross multiply
    10,375.46x = 15,560.39 × 3,801.68
  4. Step 4: Simplify right side
    10,375.46x = 59,155,623.46
  5. Step 5: Solve for x
    x = 59,155,623.46/10,375.46
  6. Step 6: Final answer
    x = 5,701.49

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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.