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Finding the Fourth Proportional to 6,897.66, 10,342.71 and 2,951.88

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Solution

The fourth proportional to 6,897.66, 10,342.71 and 2,951.88 is: 4,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.66 : 10,342.71 = 2,951.88 : x
  2. Step 2: Convert to fraction form
    6,897.66/10,342.71 = 2,951.88/x
  3. Step 3: Cross multiply
    6,897.66x = 10,342.71 × 2,951.88
  4. Step 4: Simplify right side
    6,897.66x = 30,530,438.79
  5. Step 5: Solve for x
    x = 30,530,438.79/6,897.66
  6. Step 6: Final answer
    x = 4,426.20

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1.5x scale

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.