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Finding the Fourth Proportional to 45,234.46, 67,788.48 and 38,536.06

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Solution

The fourth proportional to 45,234.46, 67,788.48 and 38,536.06 is: 57,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.46 : 67,788.48 = 38,536.06 : x
  2. Step 2: Convert to fraction form
    45,234.46/67,788.48 = 38,536.06/x
  3. Step 3: Cross multiply
    45,234.46x = 67,788.48 × 38,536.06
  4. Step 4: Simplify right side
    45,234.46x = 2,612,300,932.59
  5. Step 5: Solve for x
    x = 2,612,300,932.59/45,234.46
  6. Step 6: Final answer
    x = 57,750.24

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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.