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Finding the Fourth Proportional to 8,806.71, 13,274.77 and 8,298.54

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Solution

The fourth proportional to 8,806.71, 13,274.77 and 8,298.54 is: 12,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.71 : 13,274.77 = 8,298.54 : x
  2. Step 2: Convert to fraction form
    8,806.71/13,274.77 = 8,298.54/x
  3. Step 3: Cross multiply
    8,806.71x = 13,274.77 × 8,298.54
  4. Step 4: Simplify right side
    8,806.71x = 110,161,209.84
  5. Step 5: Solve for x
    x = 110,161,209.84/8,806.71
  6. Step 6: Final answer
    x = 12,508.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.