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Finding the Fourth Proportional to 37,781.56, 56,648.04 and 18,059.68

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Solution

The fourth proportional to 37,781.56, 56,648.04 and 18,059.68 is: 27,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,781.56 : 56,648.04 = 18,059.68 : x
  2. Step 2: Convert to fraction form
    37,781.56/56,648.04 = 18,059.68/x
  3. Step 3: Cross multiply
    37,781.56x = 56,648.04 × 18,059.68
  4. Step 4: Simplify right side
    37,781.56x = 1,023,045,475.03
  5. Step 5: Solve for x
    x = 1,023,045,475.03/37,781.56
  6. Step 6: Final answer
    x = 27,077.90

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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.