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Finding the Fourth Proportional to 40,463.00, 60,731.93 and 20,486.53

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Solution

The fourth proportional to 40,463.00, 60,731.93 and 20,486.53 is: 30,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,463.00 : 60,731.93 = 20,486.53 : x
  2. Step 2: Convert to fraction form
    40,463.00/60,731.93 = 20,486.53/x
  3. Step 3: Cross multiply
    40,463.00x = 60,731.93 × 20,486.53
  4. Step 4: Simplify right side
    40,463.00x = 1,244,186,633.03
  5. Step 5: Solve for x
    x = 1,244,186,633.03/40,463.00
  6. Step 6: Final answer
    x = 30,748.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.