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Finding the Fourth Proportional to 5,731.38, 8,602.47 and 3,544.38

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Solution

The fourth proportional to 5,731.38, 8,602.47 and 3,544.38 is: 5,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.38 : 8,602.47 = 3,544.38 : x
  2. Step 2: Convert to fraction form
    5,731.38/8,602.47 = 3,544.38/x
  3. Step 3: Cross multiply
    5,731.38x = 8,602.47 × 3,544.38
  4. Step 4: Simplify right side
    5,731.38x = 30,490,422.62
  5. Step 5: Solve for x
    x = 30,490,422.62/5,731.38
  6. Step 6: Final answer
    x = 5,319.91

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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.