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Finding the Fourth Proportional to 57,830.88, 79,811.76 and 36,335.52

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Solution

The fourth proportional to 57,830.88, 79,811.76 and 36,335.52 is: 50,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,830.88 : 79,811.76 = 36,335.52 : x
  2. Step 2: Convert to fraction form
    57,830.88/79,811.76 = 36,335.52/x
  3. Step 3: Cross multiply
    57,830.88x = 79,811.76 × 36,335.52
  4. Step 4: Simplify right side
    57,830.88x = 2,900,001,801.72
  5. Step 5: Solve for x
    x = 2,900,001,801.72/57,830.88
  6. Step 6: Final answer
    x = 50,146.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.