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Finding the Fourth Proportional to 73,741.12, 110,612.12 and 18,337.12

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Solution

The fourth proportional to 73,741.12, 110,612.12 and 18,337.12 is: 27,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,741.12 : 110,612.12 = 18,337.12 : x
  2. Step 2: Convert to fraction form
    73,741.12/110,612.12 = 18,337.12/x
  3. Step 3: Cross multiply
    73,741.12x = 110,612.12 × 18,337.12
  4. Step 4: Simplify right side
    73,741.12x = 2,028,307,717.89
  5. Step 5: Solve for x
    x = 2,028,307,717.89/73,741.12
  6. Step 6: Final answer
    x = 27,505.79

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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.