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Finding the Fourth Proportional to 8,988.88, 12,404.26 and 5,010.37

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Solution

The fourth proportional to 8,988.88, 12,404.26 and 5,010.37 is: 6,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.88 : 12,404.26 = 5,010.37 : x
  2. Step 2: Convert to fraction form
    8,988.88/12,404.26 = 5,010.37/x
  3. Step 3: Cross multiply
    8,988.88x = 12,404.26 × 5,010.37
  4. Step 4: Simplify right side
    8,988.88x = 62,149,932.18
  5. Step 5: Solve for x
    x = 62,149,932.18/8,988.88
  6. Step 6: Final answer
    x = 6,914.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.