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Finding the Fourth Proportional to 42,309.61, 63,464.41 and 17,361.41

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Solution

The fourth proportional to 42,309.61, 63,464.41 and 17,361.41 is: 26,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.61 : 63,464.41 = 17,361.41 : x
  2. Step 2: Convert to fraction form
    42,309.61/63,464.41 = 17,361.41/x
  3. Step 3: Cross multiply
    42,309.61x = 63,464.41 × 17,361.41
  4. Step 4: Simplify right side
    42,309.61x = 1,101,831,314.25
  5. Step 5: Solve for x
    x = 1,101,831,314.25/42,309.61
  6. Step 6: Final answer
    x = 26,042.11

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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.