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Finding the Fourth Proportional to 7,687.52, 10,610.16 and 6,028.64

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Solution

The fourth proportional to 7,687.52, 10,610.16 and 6,028.64 is: 8,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.52 : 10,610.16 = 6,028.64 : x
  2. Step 2: Convert to fraction form
    7,687.52/10,610.16 = 6,028.64/x
  3. Step 3: Cross multiply
    7,687.52x = 10,610.16 × 6,028.64
  4. Step 4: Simplify right side
    7,687.52x = 63,964,834.98
  5. Step 5: Solve for x
    x = 63,964,834.98/7,687.52
  6. Step 6: Final answer
    x = 8,320.61

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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.