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Finding the Fourth Proportional to 6,876.15, 10,322.79 and 6,844.56

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Solution

The fourth proportional to 6,876.15, 10,322.79 and 6,844.56 is: 10,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.15 : 10,322.79 = 6,844.56 : x
  2. Step 2: Convert to fraction form
    6,876.15/10,322.79 = 6,844.56/x
  3. Step 3: Cross multiply
    6,876.15x = 10,322.79 × 6,844.56
  4. Step 4: Simplify right side
    6,876.15x = 70,654,955.52
  5. Step 5: Solve for x
    x = 70,654,955.52/6,876.15
  6. Step 6: Final answer
    x = 10,275.37

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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.