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Finding the Fourth Proportional to 61,756.46, 85,225.48 and 37,896.30

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Solution

The fourth proportional to 61,756.46, 85,225.48 and 37,896.30 is: 52,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,756.46 : 85,225.48 = 37,896.30 : x
  2. Step 2: Convert to fraction form
    61,756.46/85,225.48 = 37,896.30/x
  3. Step 3: Cross multiply
    61,756.46x = 85,225.48 × 37,896.30
  4. Step 4: Simplify right side
    61,756.46x = 3,229,730,357.72
  5. Step 5: Solve for x
    x = 3,229,730,357.72/61,756.46
  6. Step 6: Final answer
    x = 52,297.85

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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.