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Finding the Fourth Proportional to 48,758.94, 73,138.77 and 15,479.10

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Solution

The fourth proportional to 48,758.94, 73,138.77 and 15,479.10 is: 23,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.94 : 73,138.77 = 15,479.10 : x
  2. Step 2: Convert to fraction form
    48,758.94/73,138.77 = 15,479.10/x
  3. Step 3: Cross multiply
    48,758.94x = 73,138.77 × 15,479.10
  4. Step 4: Simplify right side
    48,758.94x = 1,132,122,334.71
  5. Step 5: Solve for x
    x = 1,132,122,334.71/48,758.94
  6. Step 6: Final answer
    x = 23,218.76

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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.