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Finding the Fourth Proportional to 60,018.78, 82,814.58 and 36,147

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Solution

The fourth proportional to 60,018.78, 82,814.58 and 36,147 is: 49,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.78 : 82,814.58 = 36,147 : x
  2. Step 2: Convert to fraction form
    60,018.78/82,814.58 = 36,147/x
  3. Step 3: Cross multiply
    60,018.78x = 82,814.58 × 36,147
  4. Step 4: Simplify right side
    60,018.78x = 2,993,498,623.26
  5. Step 5: Solve for x
    x = 2,993,498,623.26/60,018.78
  6. Step 6: Final answer
    x = 49,876.03

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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.