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Finding the Fourth Proportional to 57,566.78, 86,369.79 and 35,122.40

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Solution

The fourth proportional to 57,566.78, 86,369.79 and 35,122.40 is: 52,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,566.78 : 86,369.79 = 35,122.40 : x
  2. Step 2: Convert to fraction form
    57,566.78/86,369.79 = 35,122.40/x
  3. Step 3: Cross multiply
    57,566.78x = 86,369.79 × 35,122.40
  4. Step 4: Simplify right side
    57,566.78x = 3,033,513,748.74
  5. Step 5: Solve for x
    x = 3,033,513,748.74/57,566.78
  6. Step 6: Final answer
    x = 52,695.56

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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.