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Finding the Fourth Proportional to 64,811.26, 89,363.03 and 44,403.11

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Solution

The fourth proportional to 64,811.26, 89,363.03 and 44,403.11 is: 61,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.26 : 89,363.03 = 44,403.11 : x
  2. Step 2: Convert to fraction form
    64,811.26/89,363.03 = 44,403.11/x
  3. Step 3: Cross multiply
    64,811.26x = 89,363.03 × 44,403.11
  4. Step 4: Simplify right side
    64,811.26x = 3,967,995,782.19
  5. Step 5: Solve for x
    x = 3,967,995,782.19/64,811.26
  6. Step 6: Final answer
    x = 61,223.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.