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Finding the Fourth Proportional to 61,492.86, 84,855.87 and 36,337.50

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Solution

The fourth proportional to 61,492.86, 84,855.87 and 36,337.50 is: 50,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.86 : 84,855.87 = 36,337.50 : x
  2. Step 2: Convert to fraction form
    61,492.86/84,855.87 = 36,337.50/x
  3. Step 3: Cross multiply
    61,492.86x = 84,855.87 × 36,337.50
  4. Step 4: Simplify right side
    61,492.86x = 3,083,450,176.13
  5. Step 5: Solve for x
    x = 3,083,450,176.13/61,492.86
  6. Step 6: Final answer
    x = 50,143.22

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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.