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Finding the Fourth Proportional to 48,685.83, 72,619.70 and 44,201.11

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Solution

The fourth proportional to 48,685.83, 72,619.70 and 44,201.11 is: 65,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.83 : 72,619.70 = 44,201.11 : x
  2. Step 2: Convert to fraction form
    48,685.83/72,619.70 = 44,201.11/x
  3. Step 3: Cross multiply
    48,685.83x = 72,619.70 × 44,201.11
  4. Step 4: Simplify right side
    48,685.83x = 3,209,871,347.87
  5. Step 5: Solve for x
    x = 3,209,871,347.87/48,685.83
  6. Step 6: Final answer
    x = 65,930.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.