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Finding the Fourth Proportional to 57,777.80, 86,573.55 and 32,743.40

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Solution

The fourth proportional to 57,777.80, 86,573.55 and 32,743.40 is: 49,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.80 : 86,573.55 = 32,743.40 : x
  2. Step 2: Convert to fraction form
    57,777.80/86,573.55 = 32,743.40/x
  3. Step 3: Cross multiply
    57,777.80x = 86,573.55 × 32,743.40
  4. Step 4: Simplify right side
    57,777.80x = 2,834,712,377.07
  5. Step 5: Solve for x
    x = 2,834,712,377.07/57,777.80
  6. Step 6: Final answer
    x = 49,062.31

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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.