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Finding the Fourth Proportional to 10,010.88, 15,083.89 and 8,294.09

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Solution

The fourth proportional to 10,010.88, 15,083.89 and 8,294.09 is: 12,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.88 : 15,083.89 = 8,294.09 : x
  2. Step 2: Convert to fraction form
    10,010.88/15,083.89 = 8,294.09/x
  3. Step 3: Cross multiply
    10,010.88x = 15,083.89 × 8,294.09
  4. Step 4: Simplify right side
    10,010.88x = 125,107,045.06
  5. Step 5: Solve for x
    x = 125,107,045.06/10,010.88
  6. Step 6: Final answer
    x = 12,497.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.