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Finding the Fourth Proportional to 48,919.94, 67,509.78 and 27,703.34

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Solution

The fourth proportional to 48,919.94, 67,509.78 and 27,703.34 is: 38,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.94 : 67,509.78 = 27,703.34 : x
  2. Step 2: Convert to fraction form
    48,919.94/67,509.78 = 27,703.34/x
  3. Step 3: Cross multiply
    48,919.94x = 67,509.78 × 27,703.34
  4. Step 4: Simplify right side
    48,919.94x = 1,870,246,388.67
  5. Step 5: Solve for x
    x = 1,870,246,388.67/48,919.94
  6. Step 6: Final answer
    x = 38,230.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.