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Finding the Fourth Proportional to 66,514.78, 91,798.14 and 37,844.83

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Solution

The fourth proportional to 66,514.78, 91,798.14 and 37,844.83 is: 52,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.78 : 91,798.14 = 37,844.83 : x
  2. Step 2: Convert to fraction form
    66,514.78/91,798.14 = 37,844.83/x
  3. Step 3: Cross multiply
    66,514.78x = 91,798.14 × 37,844.83
  4. Step 4: Simplify right side
    66,514.78x = 3,474,085,002.62
  5. Step 5: Solve for x
    x = 3,474,085,002.62/66,514.78
  6. Step 6: Final answer
    x = 52,230.27

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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.