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Finding the Fourth Proportional to 48,804.30, 73,211.04 and 13,743.90

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Solution

The fourth proportional to 48,804.30, 73,211.04 and 13,743.90 is: 20,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,804.30 : 73,211.04 = 13,743.90 : x
  2. Step 2: Convert to fraction form
    48,804.30/73,211.04 = 13,743.90/x
  3. Step 3: Cross multiply
    48,804.30x = 73,211.04 × 13,743.90
  4. Step 4: Simplify right side
    48,804.30x = 1,006,205,212.66
  5. Step 5: Solve for x
    x = 1,006,205,212.66/48,804.30
  6. Step 6: Final answer
    x = 20,617.14

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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.