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Finding the Fourth Proportional to 6,932.39, 10,350.79 and 6,862.32

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Solution

The fourth proportional to 6,932.39, 10,350.79 and 6,862.32 is: 10,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.39 : 10,350.79 = 6,862.32 : x
  2. Step 2: Convert to fraction form
    6,932.39/10,350.79 = 6,862.32/x
  3. Step 3: Cross multiply
    6,932.39x = 10,350.79 × 6,862.32
  4. Step 4: Simplify right side
    6,932.39x = 71,030,416.08
  5. Step 5: Solve for x
    x = 71,030,416.08/6,932.39
  6. Step 6: Final answer
    x = 10,246.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.