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Finding the Fourth Proportional to 48,937.77, 73,390.86 and 13,868.01

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Solution

The fourth proportional to 48,937.77, 73,390.86 and 13,868.01 is: 20,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.77 : 73,390.86 = 13,868.01 : x
  2. Step 2: Convert to fraction form
    48,937.77/73,390.86 = 13,868.01/x
  3. Step 3: Cross multiply
    48,937.77x = 73,390.86 × 13,868.01
  4. Step 4: Simplify right side
    48,937.77x = 1,017,785,180.39
  5. Step 5: Solve for x
    x = 1,017,785,180.39/48,937.77
  6. Step 6: Final answer
    x = 20,797.54

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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.