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Finding the Fourth Proportional to 57,473.73, 79,312.50 and 33,275.72

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Solution

The fourth proportional to 57,473.73, 79,312.50 and 33,275.72 is: 45,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.73 : 79,312.50 = 33,275.72 : x
  2. Step 2: Convert to fraction form
    57,473.73/79,312.50 = 33,275.72/x
  3. Step 3: Cross multiply
    57,473.73x = 79,312.50 × 33,275.72
  4. Step 4: Simplify right side
    57,473.73x = 2,639,180,145.94
  5. Step 5: Solve for x
    x = 2,639,180,145.94/57,473.73
  6. Step 6: Final answer
    x = 45,919.76

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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.