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Finding the Fourth Proportional to 66,249.25, 91,423.08 and 36,033.93

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Solution

The fourth proportional to 66,249.25, 91,423.08 and 36,033.93 is: 49,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.25 : 91,423.08 = 36,033.93 : x
  2. Step 2: Convert to fraction form
    66,249.25/91,423.08 = 36,033.93/x
  3. Step 3: Cross multiply
    66,249.25x = 91,423.08 × 36,033.93
  4. Step 4: Simplify right side
    66,249.25x = 3,294,332,865.10
  5. Step 5: Solve for x
    x = 3,294,332,865.10/66,249.25
  6. Step 6: Final answer
    x = 49,726.34

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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.