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Finding the Fourth Proportional to 61,752.86, 92,553.30 and 35,121.20

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Solution

The fourth proportional to 61,752.86, 92,553.30 and 35,121.20 is: 52,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.86 : 92,553.30 = 35,121.20 : x
  2. Step 2: Convert to fraction form
    61,752.86/92,553.30 = 35,121.20/x
  3. Step 3: Cross multiply
    61,752.86x = 92,553.30 × 35,121.20
  4. Step 4: Simplify right side
    61,752.86x = 3,250,582,959.96
  5. Step 5: Solve for x
    x = 3,250,582,959.96/61,752.86
  6. Step 6: Final answer
    x = 52,638.58

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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.