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Finding the Fourth Proportional to 8,908.71, 13,363.17 and 2,335.56

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Solution

The fourth proportional to 8,908.71, 13,363.17 and 2,335.56 is: 3,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.71 : 13,363.17 = 2,335.56 : x
  2. Step 2: Convert to fraction form
    8,908.71/13,363.17 = 2,335.56/x
  3. Step 3: Cross multiply
    8,908.71x = 13,363.17 × 2,335.56
  4. Step 4: Simplify right side
    8,908.71x = 31,210,476.57
  5. Step 5: Solve for x
    x = 31,210,476.57/8,908.71
  6. Step 6: Final answer
    x = 3,503.37

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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.