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Finding the Fourth Proportional to 48,915, 73,377.08 and 15,181.28

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Solution

The fourth proportional to 48,915, 73,377.08 and 15,181.28 is: 22,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,915 : 73,377.08 = 15,181.28 : x
  2. Step 2: Convert to fraction form
    48,915/73,377.08 = 15,181.28/x
  3. Step 3: Cross multiply
    48,915x = 73,377.08 × 15,181.28
  4. Step 4: Simplify right side
    48,915x = 1,113,957,997.06
  5. Step 5: Solve for x
    x = 1,113,957,997.06/48,915
  6. Step 6: Final answer
    x = 22,773.34

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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.