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Finding the Fourth Proportional to 75,238.56, 112,843.62 and 37,788.66

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Solution

The fourth proportional to 75,238.56, 112,843.62 and 37,788.66 is: 56,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,238.56 : 112,843.62 = 37,788.66 : x
  2. Step 2: Convert to fraction form
    75,238.56/112,843.62 = 37,788.66/x
  3. Step 3: Cross multiply
    75,238.56x = 112,843.62 × 37,788.66
  4. Step 4: Simplify right side
    75,238.56x = 4,264,209,189.35
  5. Step 5: Solve for x
    x = 4,264,209,189.35/75,238.56
  6. Step 6: Final answer
    x = 56,675.85

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1.5x scale

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.