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Finding the Fourth Proportional to 57,812.52, 79,765.08 and 36,304.58

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Solution

The fourth proportional to 57,812.52, 79,765.08 and 36,304.58 is: 50,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.52 : 79,765.08 = 36,304.58 : x
  2. Step 2: Convert to fraction form
    57,812.52/79,765.08 = 36,304.58/x
  3. Step 3: Cross multiply
    57,812.52x = 79,765.08 × 36,304.58
  4. Step 4: Simplify right side
    57,812.52x = 2,895,837,728.07
  5. Step 5: Solve for x
    x = 2,895,837,728.07/57,812.52
  6. Step 6: Final answer
    x = 50,090.15

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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.