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Finding the Fourth Proportional to 57,876.44, 79,875.44 and 35,217.08

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Solution

The fourth proportional to 57,876.44, 79,875.44 and 35,217.08 is: 48,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,876.44 : 79,875.44 = 35,217.08 : x
  2. Step 2: Convert to fraction form
    57,876.44/79,875.44 = 35,217.08/x
  3. Step 3: Cross multiply
    57,876.44x = 79,875.44 × 35,217.08
  4. Step 4: Simplify right side
    57,876.44x = 2,812,979,760.52
  5. Step 5: Solve for x
    x = 2,812,979,760.52/57,876.44
  6. Step 6: Final answer
    x = 48,603.19

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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.