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Finding the Fourth Proportional to 60,738.95, 83,858.78 and 38,108.99

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Solution

The fourth proportional to 60,738.95, 83,858.78 and 38,108.99 is: 52,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,738.95 : 83,858.78 = 38,108.99 : x
  2. Step 2: Convert to fraction form
    60,738.95/83,858.78 = 38,108.99/x
  3. Step 3: Cross multiply
    60,738.95x = 83,858.78 × 38,108.99
  4. Step 4: Simplify right side
    60,738.95x = 3,195,773,408.43
  5. Step 5: Solve for x
    x = 3,195,773,408.43/60,738.95
  6. Step 6: Final answer
    x = 52,614.89

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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.