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Finding the Fourth Proportional to 6,352.14, 8,768.46 and 5,687.76

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Solution

The fourth proportional to 6,352.14, 8,768.46 and 5,687.76 is: 7,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.14 : 8,768.46 = 5,687.76 : x
  2. Step 2: Convert to fraction form
    6,352.14/8,768.46 = 5,687.76/x
  3. Step 3: Cross multiply
    6,352.14x = 8,768.46 × 5,687.76
  4. Step 4: Simplify right side
    6,352.14x = 49,872,896.05
  5. Step 5: Solve for x
    x = 49,872,896.05/6,352.14
  6. Step 6: Final answer
    x = 7,851.35

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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.