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Finding the Fourth Proportional to 5,793.12, 8,689.68 and 1,410.55

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Solution

The fourth proportional to 5,793.12, 8,689.68 and 1,410.55 is: 2,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.12 : 8,689.68 = 1,410.55 : x
  2. Step 2: Convert to fraction form
    5,793.12/8,689.68 = 1,410.55/x
  3. Step 3: Cross multiply
    5,793.12x = 8,689.68 × 1,410.55
  4. Step 4: Simplify right side
    5,793.12x = 12,257,206.40
  5. Step 5: Solve for x
    x = 12,257,206.40/5,793.12
  6. Step 6: Final answer
    x = 2,115.82

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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.