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Finding the Fourth Proportional to 60,373.80, 90,573.48 and 18,257.04

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Solution

The fourth proportional to 60,373.80, 90,573.48 and 18,257.04 is: 27,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,373.80 : 90,573.48 = 18,257.04 : x
  2. Step 2: Convert to fraction form
    60,373.80/90,573.48 = 18,257.04/x
  3. Step 3: Cross multiply
    60,373.80x = 90,573.48 × 18,257.04
  4. Step 4: Simplify right side
    60,373.80x = 1,653,603,647.30
  5. Step 5: Solve for x
    x = 1,653,603,647.30/60,373.80
  6. Step 6: Final answer
    x = 27,389.42

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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.