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Finding the Fourth Proportional to 6,315.87, 9,473.81 and 1,932.76

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Solution

The fourth proportional to 6,315.87, 9,473.81 and 1,932.76 is: 2,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.87 : 9,473.81 = 1,932.76 : x
  2. Step 2: Convert to fraction form
    6,315.87/9,473.81 = 1,932.76/x
  3. Step 3: Cross multiply
    6,315.87x = 9,473.81 × 1,932.76
  4. Step 4: Simplify right side
    6,315.87x = 18,310,614.07
  5. Step 5: Solve for x
    x = 18,310,614.07/6,315.87
  6. Step 6: Final answer
    x = 2,899.14

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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.