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Finding the Fourth Proportional to 57,763.80, 79,671.38 and 36,522.59

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Solution

The fourth proportional to 57,763.80, 79,671.38 and 36,522.59 is: 50,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.80 : 79,671.38 = 36,522.59 : x
  2. Step 2: Convert to fraction form
    57,763.80/79,671.38 = 36,522.59/x
  3. Step 3: Cross multiply
    57,763.80x = 79,671.38 × 36,522.59
  4. Step 4: Simplify right side
    57,763.80x = 2,909,804,565.50
  5. Step 5: Solve for x
    x = 2,909,804,565.50/57,763.80
  6. Step 6: Final answer
    x = 50,374.19

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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.