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Finding the Fourth Proportional to 57,574.39, 86,250.79 and 35,322.79

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Solution

The fourth proportional to 57,574.39, 86,250.79 and 35,322.79 is: 52,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.39 : 86,250.79 = 35,322.79 : x
  2. Step 2: Convert to fraction form
    57,574.39/86,250.79 = 35,322.79/x
  3. Step 3: Cross multiply
    57,574.39x = 86,250.79 × 35,322.79
  4. Step 4: Simplify right side
    57,574.39x = 3,046,618,542.50
  5. Step 5: Solve for x
    x = 3,046,618,542.50/57,574.39
  6. Step 6: Final answer
    x = 52,916.21

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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.