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Finding the Fourth Proportional to 5,793.12, 8,692.92 and 2,715.12

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Solution

The fourth proportional to 5,793.12, 8,692.92 and 2,715.12 is: 4,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.12 : 8,692.92 = 2,715.12 : x
  2. Step 2: Convert to fraction form
    5,793.12/8,692.92 = 2,715.12/x
  3. Step 3: Cross multiply
    5,793.12x = 8,692.92 × 2,715.12
  4. Step 4: Simplify right side
    5,793.12x = 23,602,320.95
  5. Step 5: Solve for x
    x = 23,602,320.95/5,793.12
  6. Step 6: Final answer
    x = 4,074.20

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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.