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Finding the Fourth Proportional to 57,981.03, 79,995.69 and 32,483.97

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Solution

The fourth proportional to 57,981.03, 79,995.69 and 32,483.97 is: 44,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.03 : 79,995.69 = 32,483.97 : x
  2. Step 2: Convert to fraction form
    57,981.03/79,995.69 = 32,483.97/x
  3. Step 3: Cross multiply
    57,981.03x = 79,995.69 × 32,483.97
  4. Step 4: Simplify right side
    57,981.03x = 2,598,577,594.09
  5. Step 5: Solve for x
    x = 2,598,577,594.09/57,981.03
  6. Step 6: Final answer
    x = 44,817.72

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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.