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Finding the Fourth Proportional to 6,886.71, 9,500.56 and 4,233.15

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Solution

The fourth proportional to 6,886.71, 9,500.56 and 4,233.15 is: 5,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.71 : 9,500.56 = 4,233.15 : x
  2. Step 2: Convert to fraction form
    6,886.71/9,500.56 = 4,233.15/x
  3. Step 3: Cross multiply
    6,886.71x = 9,500.56 × 4,233.15
  4. Step 4: Simplify right side
    6,886.71x = 40,217,295.56
  5. Step 5: Solve for x
    x = 40,217,295.56/6,886.71
  6. Step 6: Final answer
    x = 5,839.84

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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.