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Finding the Fourth Proportional to 57,860.13, 79,881.81 and 37,751.88

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Solution

The fourth proportional to 57,860.13, 79,881.81 and 37,751.88 is: 52,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,860.13 : 79,881.81 = 37,751.88 : x
  2. Step 2: Convert to fraction form
    57,860.13/79,881.81 = 37,751.88/x
  3. Step 3: Cross multiply
    57,860.13x = 79,881.81 × 37,751.88
  4. Step 4: Simplify right side
    57,860.13x = 3,015,688,505.30
  5. Step 5: Solve for x
    x = 3,015,688,505.30/57,860.13
  6. Step 6: Final answer
    x = 52,120.32

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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.