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Finding the Fourth Proportional to 61,874.58, 85,372.14 and 37,675.26

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Solution

The fourth proportional to 61,874.58, 85,372.14 and 37,675.26 is: 51,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.58 : 85,372.14 = 37,675.26 : x
  2. Step 2: Convert to fraction form
    61,874.58/85,372.14 = 37,675.26/x
  3. Step 3: Cross multiply
    61,874.58x = 85,372.14 × 37,675.26
  4. Step 4: Simplify right side
    61,874.58x = 3,216,417,571.26
  5. Step 5: Solve for x
    x = 3,216,417,571.26/61,874.58
  6. Step 6: Final answer
    x = 51,982.86

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1.5x scale

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.