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Finding the Fourth Proportional to 61,805.68, 92,478.87 and 36,859.30

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Solution

The fourth proportional to 61,805.68, 92,478.87 and 36,859.30 is: 55,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.68 : 92,478.87 = 36,859.30 : x
  2. Step 2: Convert to fraction form
    61,805.68/92,478.87 = 36,859.30/x
  3. Step 3: Cross multiply
    61,805.68x = 92,478.87 × 36,859.30
  4. Step 4: Simplify right side
    61,805.68x = 3,408,706,412.99
  5. Step 5: Solve for x
    x = 3,408,706,412.99/61,805.68
  6. Step 6: Final answer
    x = 55,151.99

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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.