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Finding the Fourth Proportional to 48,843.16, 73,310.10 and 19,281.40

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Solution

The fourth proportional to 48,843.16, 73,310.10 and 19,281.40 is: 28,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,843.16 : 73,310.10 = 19,281.40 : x
  2. Step 2: Convert to fraction form
    48,843.16/73,310.10 = 19,281.40/x
  3. Step 3: Cross multiply
    48,843.16x = 73,310.10 × 19,281.40
  4. Step 4: Simplify right side
    48,843.16x = 1,413,521,362.14
  5. Step 5: Solve for x
    x = 1,413,521,362.14/48,843.16
  6. Step 6: Final answer
    x = 28,940.01

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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.