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Finding the Fourth Proportional to 5,877.15, 8,815.65 and 2,366.20

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Solution

The fourth proportional to 5,877.15, 8,815.65 and 2,366.20 is: 3,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.15 : 8,815.65 = 2,366.20 : x
  2. Step 2: Convert to fraction form
    5,877.15/8,815.65 = 2,366.20/x
  3. Step 3: Cross multiply
    5,877.15x = 8,815.65 × 2,366.20
  4. Step 4: Simplify right side
    5,877.15x = 20,859,591.03
  5. Step 5: Solve for x
    x = 20,859,591.03/5,877.15
  6. Step 6: Final answer
    x = 3,549.27

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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.