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Finding the Fourth Proportional to 3,575.47, 5,363.19 and 1,627.81

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Solution

The fourth proportional to 3,575.47, 5,363.19 and 1,627.81 is: 2,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.47 : 5,363.19 = 1,627.81 : x
  2. Step 2: Convert to fraction form
    3,575.47/5,363.19 = 1,627.81/x
  3. Step 3: Cross multiply
    3,575.47x = 5,363.19 × 1,627.81
  4. Step 4: Simplify right side
    3,575.47x = 8,730,254.31
  5. Step 5: Solve for x
    x = 8,730,254.31/3,575.47
  6. Step 6: Final answer
    x = 2,441.71

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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.