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Finding the Fourth Proportional to 6,789.71, 9,372.11 and 4,276.04

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Solution

The fourth proportional to 6,789.71, 9,372.11 and 4,276.04 is: 5,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.71 : 9,372.11 = 4,276.04 : x
  2. Step 2: Convert to fraction form
    6,789.71/9,372.11 = 4,276.04/x
  3. Step 3: Cross multiply
    6,789.71x = 9,372.11 × 4,276.04
  4. Step 4: Simplify right side
    6,789.71x = 40,075,449.00
  5. Step 5: Solve for x
    x = 40,075,449.00/6,789.71
  6. Step 6: Final answer
    x = 5,902.38

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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.