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Finding the Fourth Proportional to 64,758.42, 89,332.41 and 44,580.27

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Solution

The fourth proportional to 64,758.42, 89,332.41 and 44,580.27 is: 61,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.42 : 89,332.41 = 44,580.27 : x
  2. Step 2: Convert to fraction form
    64,758.42/89,332.41 = 44,580.27/x
  3. Step 3: Cross multiply
    64,758.42x = 89,332.41 × 44,580.27
  4. Step 4: Simplify right side
    64,758.42x = 3,982,463,124.73
  5. Step 5: Solve for x
    x = 3,982,463,124.73/64,758.42
  6. Step 6: Final answer
    x = 61,497.22

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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.