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Finding the Fourth Proportional to 3,711.52, 5,567.28 and 1,114.64

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Solution

The fourth proportional to 3,711.52, 5,567.28 and 1,114.64 is: 1,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.52 : 5,567.28 = 1,114.64 : x
  2. Step 2: Convert to fraction form
    3,711.52/5,567.28 = 1,114.64/x
  3. Step 3: Cross multiply
    3,711.52x = 5,567.28 × 1,114.64
  4. Step 4: Simplify right side
    3,711.52x = 6,205,512.98
  5. Step 5: Solve for x
    x = 6,205,512.98/3,711.52
  6. Step 6: Final answer
    x = 1,671.96

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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.