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Finding the Fourth Proportional to 6,747.83, 9,312.02 and 3,763.86

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Solution

The fourth proportional to 6,747.83, 9,312.02 and 3,763.86 is: 5,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.83 : 9,312.02 = 3,763.86 : x
  2. Step 2: Convert to fraction form
    6,747.83/9,312.02 = 3,763.86/x
  3. Step 3: Cross multiply
    6,747.83x = 9,312.02 × 3,763.86
  4. Step 4: Simplify right side
    6,747.83x = 35,049,139.60
  5. Step 5: Solve for x
    x = 35,049,139.60/6,747.83
  6. Step 6: Final answer
    x = 5,194.13

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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.