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Finding the Fourth Proportional to 48,872.16, 73,279.08 and 34,992

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Solution

The fourth proportional to 48,872.16, 73,279.08 and 34,992 is: 52,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,872.16 : 73,279.08 = 34,992 : x
  2. Step 2: Convert to fraction form
    48,872.16/73,279.08 = 34,992/x
  3. Step 3: Cross multiply
    48,872.16x = 73,279.08 × 34,992
  4. Step 4: Simplify right side
    48,872.16x = 2,564,181,567.36
  5. Step 5: Solve for x
    x = 2,564,181,567.36/48,872.16
  6. Step 6: Final answer
    x = 52,467.12

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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.