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Finding the Fourth Proportional to 6,479.28, 9,713.16 and 2,527.80

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Solution

The fourth proportional to 6,479.28, 9,713.16 and 2,527.80 is: 3,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.28 : 9,713.16 = 2,527.80 : x
  2. Step 2: Convert to fraction form
    6,479.28/9,713.16 = 2,527.80/x
  3. Step 3: Cross multiply
    6,479.28x = 9,713.16 × 2,527.80
  4. Step 4: Simplify right side
    6,479.28x = 24,552,925.85
  5. Step 5: Solve for x
    x = 24,552,925.85/6,479.28
  6. Step 6: Final answer
    x = 3,789.45

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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.