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Finding the Fourth Proportional to 6,275.76, 9,410.04 and 1,891.92

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Solution

The fourth proportional to 6,275.76, 9,410.04 and 1,891.92 is: 2,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.76 : 9,410.04 = 1,891.92 : x
  2. Step 2: Convert to fraction form
    6,275.76/9,410.04 = 1,891.92/x
  3. Step 3: Cross multiply
    6,275.76x = 9,410.04 × 1,891.92
  4. Step 4: Simplify right side
    6,275.76x = 17,803,042.88
  5. Step 5: Solve for x
    x = 17,803,042.88/6,275.76
  6. Step 6: Final answer
    x = 2,836.79

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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.