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Finding the Fourth Proportional to 64,497.78, 89,048.52 and 44,348.22

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Solution

The fourth proportional to 64,497.78, 89,048.52 and 44,348.22 is: 61,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.78 : 89,048.52 = 44,348.22 : x
  2. Step 2: Convert to fraction form
    64,497.78/89,048.52 = 44,348.22/x
  3. Step 3: Cross multiply
    64,497.78x = 89,048.52 × 44,348.22
  4. Step 4: Simplify right side
    64,497.78x = 3,949,143,355.63
  5. Step 5: Solve for x
    x = 3,949,143,355.63/64,497.78
  6. Step 6: Final answer
    x = 61,229.14

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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.