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Finding the Fourth Proportional to 6,888.60, 10,332.92 and 1,694.48

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Solution

The fourth proportional to 6,888.60, 10,332.92 and 1,694.48 is: 2,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.60 : 10,332.92 = 1,694.48 : x
  2. Step 2: Convert to fraction form
    6,888.60/10,332.92 = 1,694.48/x
  3. Step 3: Cross multiply
    6,888.60x = 10,332.92 × 1,694.48
  4. Step 4: Simplify right side
    6,888.60x = 17,508,926.28
  5. Step 5: Solve for x
    x = 17,508,926.28/6,888.60
  6. Step 6: Final answer
    x = 2,541.72

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Similar ratio
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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.