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Finding the Fourth Proportional to 80,477.70, 111,058.41 and 44,666.79

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Solution

The fourth proportional to 80,477.70, 111,058.41 and 44,666.79 is: 61,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.70 : 111,058.41 = 44,666.79 : x
  2. Step 2: Convert to fraction form
    80,477.70/111,058.41 = 44,666.79/x
  3. Step 3: Cross multiply
    80,477.70x = 111,058.41 × 44,666.79
  4. Step 4: Simplify right side
    80,477.70x = 4,960,622,121.91
  5. Step 5: Solve for x
    x = 4,960,622,121.91/80,477.70
  6. Step 6: Final answer
    x = 61,639.71

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1.5x scale

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.