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Finding the Fourth Proportional to 64,718.48, 89,277.24 and 44,540.33

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Solution

The fourth proportional to 64,718.48, 89,277.24 and 44,540.33 is: 61,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.48 : 89,277.24 = 44,540.33 : x
  2. Step 2: Convert to fraction form
    64,718.48/89,277.24 = 44,540.33/x
  3. Step 3: Cross multiply
    64,718.48x = 89,277.24 × 44,540.33
  4. Step 4: Simplify right side
    64,718.48x = 3,976,437,284.70
  5. Step 5: Solve for x
    x = 3,976,437,284.70/64,718.48
  6. Step 6: Final answer
    x = 61,442.07

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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.