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Finding the Fourth Proportional to 6,551.87, 9,831.87 and 2,854.13

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Solution

The fourth proportional to 6,551.87, 9,831.87 and 2,854.13 is: 4,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.87 : 9,831.87 = 2,854.13 : x
  2. Step 2: Convert to fraction form
    6,551.87/9,831.87 = 2,854.13/x
  3. Step 3: Cross multiply
    6,551.87x = 9,831.87 × 2,854.13
  4. Step 4: Simplify right side
    6,551.87x = 28,061,385.96
  5. Step 5: Solve for x
    x = 28,061,385.96/6,551.87
  6. Step 6: Final answer
    x = 4,282.96

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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.