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Finding the Fourth Proportional to 57,736.80, 79,606.80 and 44,323.20

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Solution

The fourth proportional to 57,736.80, 79,606.80 and 44,323.20 is: 61,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,736.80 : 79,606.80 = 44,323.20 : x
  2. Step 2: Convert to fraction form
    57,736.80/79,606.80 = 44,323.20/x
  3. Step 3: Cross multiply
    57,736.80x = 79,606.80 × 44,323.20
  4. Step 4: Simplify right side
    57,736.80x = 3,528,428,117.76
  5. Step 5: Solve for x
    x = 3,528,428,117.76/57,736.80
  6. Step 6: Final answer
    x = 61,112.29

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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.