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Finding the Fourth Proportional to 6,747.92, 9,312.27 and 3,763.88

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Solution

The fourth proportional to 6,747.92, 9,312.27 and 3,763.88 is: 5,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.92 : 9,312.27 = 3,763.88 : x
  2. Step 2: Convert to fraction form
    6,747.92/9,312.27 = 3,763.88/x
  3. Step 3: Cross multiply
    6,747.92x = 9,312.27 × 3,763.88
  4. Step 4: Simplify right side
    6,747.92x = 35,050,266.81
  5. Step 5: Solve for x
    x = 35,050,266.81/6,747.92
  6. Step 6: Final answer
    x = 5,194.23

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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.