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Finding the Fourth Proportional to 6,243.20, 8,598.12 and 6,107.12

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Solution

The fourth proportional to 6,243.20, 8,598.12 and 6,107.12 is: 8,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.20 : 8,598.12 = 6,107.12 : x
  2. Step 2: Convert to fraction form
    6,243.20/8,598.12 = 6,107.12/x
  3. Step 3: Cross multiply
    6,243.20x = 8,598.12 × 6,107.12
  4. Step 4: Simplify right side
    6,243.20x = 52,509,750.61
  5. Step 5: Solve for x
    x = 52,509,750.61/6,243.20
  6. Step 6: Final answer
    x = 8,410.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.