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Finding the Fourth Proportional to 8,899.11, 13,348.48 and 2,659.14

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Solution

The fourth proportional to 8,899.11, 13,348.48 and 2,659.14 is: 3,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.11 : 13,348.48 = 2,659.14 : x
  2. Step 2: Convert to fraction form
    8,899.11/13,348.48 = 2,659.14/x
  3. Step 3: Cross multiply
    8,899.11x = 13,348.48 × 2,659.14
  4. Step 4: Simplify right side
    8,899.11x = 35,495,403.72
  5. Step 5: Solve for x
    x = 35,495,403.72/8,899.11
  6. Step 6: Final answer
    x = 3,988.65

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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.