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Finding the Fourth Proportional to 8,390.56, 12,560.33 and 5,594.85

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Solution

The fourth proportional to 8,390.56, 12,560.33 and 5,594.85 is: 8,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.56 : 12,560.33 = 5,594.85 : x
  2. Step 2: Convert to fraction form
    8,390.56/12,560.33 = 5,594.85/x
  3. Step 3: Cross multiply
    8,390.56x = 12,560.33 × 5,594.85
  4. Step 4: Simplify right side
    8,390.56x = 70,273,162.30
  5. Step 5: Solve for x
    x = 70,273,162.30/8,390.56
  6. Step 6: Final answer
    x = 8,375.26

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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.