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Finding the Fourth Proportional to 56,918.33, 85,369.48 and 35,793.97

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Solution

The fourth proportional to 56,918.33, 85,369.48 and 35,793.97 is: 53,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.33 : 85,369.48 = 35,793.97 : x
  2. Step 2: Convert to fraction form
    56,918.33/85,369.48 = 35,793.97/x
  3. Step 3: Cross multiply
    56,918.33x = 85,369.48 × 35,793.97
  4. Step 4: Simplify right side
    56,918.33x = 3,055,712,606.04
  5. Step 5: Solve for x
    x = 3,055,712,606.04/56,918.33
  6. Step 6: Final answer
    x = 53,685.91

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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.