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Finding the Fourth Proportional to 69,153.98, 95,408.85 and 41,938.38

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Solution

The fourth proportional to 69,153.98, 95,408.85 and 41,938.38 is: 57,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,153.98 : 95,408.85 = 41,938.38 : x
  2. Step 2: Convert to fraction form
    69,153.98/95,408.85 = 41,938.38/x
  3. Step 3: Cross multiply
    69,153.98x = 95,408.85 × 41,938.38
  4. Step 4: Simplify right side
    69,153.98x = 4,001,292,763.93
  5. Step 5: Solve for x
    x = 4,001,292,763.93/69,153.98
  6. Step 6: Final answer
    x = 57,860.63

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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.