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Finding the Fourth Proportional to 48,361.52, 72,554.87 and 18,376.34

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Solution

The fourth proportional to 48,361.52, 72,554.87 and 18,376.34 is: 27,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,361.52 : 72,554.87 = 18,376.34 : x
  2. Step 2: Convert to fraction form
    48,361.52/72,554.87 = 18,376.34/x
  3. Step 3: Cross multiply
    48,361.52x = 72,554.87 × 18,376.34
  4. Step 4: Simplify right side
    48,361.52x = 1,333,292,642.94
  5. Step 5: Solve for x
    x = 1,333,292,642.94/48,361.52
  6. Step 6: Final answer
    x = 27,569.29

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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.