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Finding the Fourth Proportional to 6,274.06, 8,656.68 and 3,479.56

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Solution

The fourth proportional to 6,274.06, 8,656.68 and 3,479.56 is: 4,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.06 : 8,656.68 = 3,479.56 : x
  2. Step 2: Convert to fraction form
    6,274.06/8,656.68 = 3,479.56/x
  3. Step 3: Cross multiply
    6,274.06x = 8,656.68 × 3,479.56
  4. Step 4: Simplify right side
    6,274.06x = 30,121,437.46
  5. Step 5: Solve for x
    x = 30,121,437.46/6,274.06
  6. Step 6: Final answer
    x = 4,800.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.