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Finding the Fourth Proportional to 48,363.66, 72,536.49 and 20,276.10

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Solution

The fourth proportional to 48,363.66, 72,536.49 and 20,276.10 is: 30,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363.66 : 72,536.49 = 20,276.10 : x
  2. Step 2: Convert to fraction form
    48,363.66/72,536.49 = 20,276.10/x
  3. Step 3: Cross multiply
    48,363.66x = 72,536.49 × 20,276.10
  4. Step 4: Simplify right side
    48,363.66x = 1,470,757,124.89
  5. Step 5: Solve for x
    x = 1,470,757,124.89/48,363.66
  6. Step 6: Final answer
    x = 30,410.38

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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.