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Finding the Fourth Proportional to 57,513.68, 86,277.76 and 15,960.72

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Solution

The fourth proportional to 57,513.68, 86,277.76 and 15,960.72 is: 23,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,513.68 : 86,277.76 = 15,960.72 : x
  2. Step 2: Convert to fraction form
    57,513.68/86,277.76 = 15,960.72/x
  3. Step 3: Cross multiply
    57,513.68x = 86,277.76 × 15,960.72
  4. Step 4: Simplify right side
    57,513.68x = 1,377,055,169.59
  5. Step 5: Solve for x
    x = 1,377,055,169.59/57,513.68
  6. Step 6: Final answer
    x = 23,943.09

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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.