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Finding the Fourth Proportional to 8,924.81, 13,387.92 and 2,350.92

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Solution

The fourth proportional to 8,924.81, 13,387.92 and 2,350.92 is: 3,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.81 : 13,387.92 = 2,350.92 : x
  2. Step 2: Convert to fraction form
    8,924.81/13,387.92 = 2,350.92/x
  3. Step 3: Cross multiply
    8,924.81x = 13,387.92 × 2,350.92
  4. Step 4: Simplify right side
    8,924.81x = 31,473,917.13
  5. Step 5: Solve for x
    x = 31,473,917.13/8,924.81
  6. Step 6: Final answer
    x = 3,526.56

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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.