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Finding the Fourth Proportional to 47,083.80, 70,625.70 and 43,803.30

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Solution

The fourth proportional to 47,083.80, 70,625.70 and 43,803.30 is: 65,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,083.80 : 70,625.70 = 43,803.30 : x
  2. Step 2: Convert to fraction form
    47,083.80/70,625.70 = 43,803.30/x
  3. Step 3: Cross multiply
    47,083.80x = 70,625.70 × 43,803.30
  4. Step 4: Simplify right side
    47,083.80x = 3,093,638,724.81
  5. Step 5: Solve for x
    x = 3,093,638,724.81/47,083.80
  6. Step 6: Final answer
    x = 65,704.95

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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.