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Finding the Fourth Proportional to 39,803.03, 59,694.98 and 11,715.46

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Solution

The fourth proportional to 39,803.03, 59,694.98 and 11,715.46 is: 17,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.03 : 59,694.98 = 11,715.46 : x
  2. Step 2: Convert to fraction form
    39,803.03/59,694.98 = 11,715.46/x
  3. Step 3: Cross multiply
    39,803.03x = 59,694.98 × 11,715.46
  4. Step 4: Simplify right side
    39,803.03x = 699,354,150.39
  5. Step 5: Solve for x
    x = 699,354,150.39/39,803.03
  6. Step 6: Final answer
    x = 17,570.37

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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.