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Finding the Fourth Proportional to 6,230.60, 9,345.90 and 5,604.20

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Solution

The fourth proportional to 6,230.60, 9,345.90 and 5,604.20 is: 8,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.60 : 9,345.90 = 5,604.20 : x
  2. Step 2: Convert to fraction form
    6,230.60/9,345.90 = 5,604.20/x
  3. Step 3: Cross multiply
    6,230.60x = 9,345.90 × 5,604.20
  4. Step 4: Simplify right side
    6,230.60x = 52,376,292.78
  5. Step 5: Solve for x
    x = 52,376,292.78/6,230.60
  6. Step 6: Final answer
    x = 8,406.30

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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.