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Finding the Fourth Proportional to 6,951.78, 10,424.27 and 3,437.72

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Solution

The fourth proportional to 6,951.78, 10,424.27 and 3,437.72 is: 5,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.78 : 10,424.27 = 3,437.72 : x
  2. Step 2: Convert to fraction form
    6,951.78/10,424.27 = 3,437.72/x
  3. Step 3: Cross multiply
    6,951.78x = 10,424.27 × 3,437.72
  4. Step 4: Simplify right side
    6,951.78x = 35,835,652.15
  5. Step 5: Solve for x
    x = 35,835,652.15/6,951.78
  6. Step 6: Final answer
    x = 5,154.89

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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.