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Finding the Fourth Proportional to 3,560.47, 5,341.84 and 1,711.71

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Solution

The fourth proportional to 3,560.47, 5,341.84 and 1,711.71 is: 2,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.47 : 5,341.84 = 1,711.71 : x
  2. Step 2: Convert to fraction form
    3,560.47/5,341.84 = 1,711.71/x
  3. Step 3: Cross multiply
    3,560.47x = 5,341.84 × 1,711.71
  4. Step 4: Simplify right side
    3,560.47x = 9,143,680.95
  5. Step 5: Solve for x
    x = 9,143,680.95/3,560.47
  6. Step 6: Final answer
    x = 2,568.11

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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.