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Finding the Fourth Proportional to 8,899.68, 13,350.90 and 3,054.88

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Solution

The fourth proportional to 8,899.68, 13,350.90 and 3,054.88 is: 4,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.68 : 13,350.90 = 3,054.88 : x
  2. Step 2: Convert to fraction form
    8,899.68/13,350.90 = 3,054.88/x
  3. Step 3: Cross multiply
    8,899.68x = 13,350.90 × 3,054.88
  4. Step 4: Simplify right side
    8,899.68x = 40,785,397.39
  5. Step 5: Solve for x
    x = 40,785,397.39/8,899.68
  6. Step 6: Final answer
    x = 4,582.79

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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.