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Finding the Fourth Proportional to 8,998.26, 13,504.32 and 5,877.42

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Solution

The fourth proportional to 8,998.26, 13,504.32 and 5,877.42 is: 8,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.26 : 13,504.32 = 5,877.42 : x
  2. Step 2: Convert to fraction form
    8,998.26/13,504.32 = 5,877.42/x
  3. Step 3: Cross multiply
    8,998.26x = 13,504.32 × 5,877.42
  4. Step 4: Simplify right side
    8,998.26x = 79,370,560.45
  5. Step 5: Solve for x
    x = 79,370,560.45/8,998.26
  6. Step 6: Final answer
    x = 8,820.66

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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.