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Finding the Fourth Proportional to 6,867.15, 9,469.53 and 5,875.71

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Solution

The fourth proportional to 6,867.15, 9,469.53 and 5,875.71 is: 8,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.15 : 9,469.53 = 5,875.71 : x
  2. Step 2: Convert to fraction form
    6,867.15/9,469.53 = 5,875.71/x
  3. Step 3: Cross multiply
    6,867.15x = 9,469.53 × 5,875.71
  4. Step 4: Simplify right side
    6,867.15x = 55,640,212.12
  5. Step 5: Solve for x
    x = 55,640,212.12/6,867.15
  6. Step 6: Final answer
    x = 8,102.37

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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.