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Finding the Fourth Proportional to 8,398.07, 12,597.71 and 2,849.16

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Solution

The fourth proportional to 8,398.07, 12,597.71 and 2,849.16 is: 4,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.07 : 12,597.71 = 2,849.16 : x
  2. Step 2: Convert to fraction form
    8,398.07/12,597.71 = 2,849.16/x
  3. Step 3: Cross multiply
    8,398.07x = 12,597.71 × 2,849.16
  4. Step 4: Simplify right side
    8,398.07x = 35,892,891.42
  5. Step 5: Solve for x
    x = 35,892,891.42/8,398.07
  6. Step 6: Final answer
    x = 4,273.95

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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.