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Finding the Fourth Proportional to 57,618.88, 86,425.76 and 33,012.16

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Solution

The fourth proportional to 57,618.88, 86,425.76 and 33,012.16 is: 49,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.88 : 86,425.76 = 33,012.16 : x
  2. Step 2: Convert to fraction form
    57,618.88/86,425.76 = 33,012.16/x
  3. Step 3: Cross multiply
    57,618.88x = 86,425.76 × 33,012.16
  4. Step 4: Simplify right side
    57,618.88x = 2,853,101,017.24
  5. Step 5: Solve for x
    x = 2,853,101,017.24/57,618.88
  6. Step 6: Final answer
    x = 49,516.77

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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.