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Finding the Fourth Proportional to 61,776.92, 92,676.32 and 22,389.05

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Solution

The fourth proportional to 61,776.92, 92,676.32 and 22,389.05 is: 33,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.92 : 92,676.32 = 22,389.05 : x
  2. Step 2: Convert to fraction form
    61,776.92/92,676.32 = 22,389.05/x
  3. Step 3: Cross multiply
    61,776.92x = 92,676.32 × 22,389.05
  4. Step 4: Simplify right side
    61,776.92x = 2,074,934,762.30
  5. Step 5: Solve for x
    x = 2,074,934,762.30/61,776.92
  6. Step 6: Final answer
    x = 33,587.54

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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.