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Finding the Fourth Proportional to 63,041.73, 86,997.63 and 34,361.40

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Solution

The fourth proportional to 63,041.73, 86,997.63 and 34,361.40 is: 47,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,041.73 : 86,997.63 = 34,361.40 : x
  2. Step 2: Convert to fraction form
    63,041.73/86,997.63 = 34,361.40/x
  3. Step 3: Cross multiply
    63,041.73x = 86,997.63 × 34,361.40
  4. Step 4: Simplify right side
    63,041.73x = 2,989,360,363.48
  5. Step 5: Solve for x
    x = 2,989,360,363.48/63,041.73
  6. Step 6: Final answer
    x = 47,418.76

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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.