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Finding the Fourth Proportional to 8,937.96, 13,412.98 and 3,673.92

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Solution

The fourth proportional to 8,937.96, 13,412.98 and 3,673.92 is: 5,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.96 : 13,412.98 = 3,673.92 : x
  2. Step 2: Convert to fraction form
    8,937.96/13,412.98 = 3,673.92/x
  3. Step 3: Cross multiply
    8,937.96x = 13,412.98 × 3,673.92
  4. Step 4: Simplify right side
    8,937.96x = 49,278,215.48
  5. Step 5: Solve for x
    x = 49,278,215.48/8,937.96
  6. Step 6: Final answer
    x = 5,513.36

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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.