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Finding the Fourth Proportional to 61,587.92, 92,418.34 and 26,047.24

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Solution

The fourth proportional to 61,587.92, 92,418.34 and 26,047.24 is: 39,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.92 : 92,418.34 = 26,047.24 : x
  2. Step 2: Convert to fraction form
    61,587.92/92,418.34 = 26,047.24/x
  3. Step 3: Cross multiply
    61,587.92x = 92,418.34 × 26,047.24
  4. Step 4: Simplify right side
    61,587.92x = 2,407,242,682.38
  5. Step 5: Solve for x
    x = 2,407,242,682.38/61,587.92
  6. Step 6: Final answer
    x = 39,086.28

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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.