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Finding the Fourth Proportional to 8,546.80, 12,820.20 and 5,594.35

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Solution

The fourth proportional to 8,546.80, 12,820.20 and 5,594.35 is: 8,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.80 : 12,820.20 = 5,594.35 : x
  2. Step 2: Convert to fraction form
    8,546.80/12,820.20 = 5,594.35/x
  3. Step 3: Cross multiply
    8,546.80x = 12,820.20 × 5,594.35
  4. Step 4: Simplify right side
    8,546.80x = 71,720,685.87
  5. Step 5: Solve for x
    x = 71,720,685.87/8,546.80
  6. Step 6: Final answer
    x = 8,391.53

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Double scale
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Similar ratio
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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.