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Finding the Fourth Proportional to 57,544.17, 79,407.81 and 31,697.65

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Solution

The fourth proportional to 57,544.17, 79,407.81 and 31,697.65 is: 43,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,544.17 : 79,407.81 = 31,697.65 : x
  2. Step 2: Convert to fraction form
    57,544.17/79,407.81 = 31,697.65/x
  3. Step 3: Cross multiply
    57,544.17x = 79,407.81 × 31,697.65
  4. Step 4: Simplify right side
    57,544.17x = 2,517,041,067.91
  5. Step 5: Solve for x
    x = 2,517,041,067.91/57,544.17
  6. Step 6: Final answer
    x = 43,741.03

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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.