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Finding the Fourth Proportional to 92,018.64, 138,027.77 and 28,843.62

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Solution

The fourth proportional to 92,018.64, 138,027.77 and 28,843.62 is: 43,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,018.64 : 138,027.77 = 28,843.62 : x
  2. Step 2: Convert to fraction form
    92,018.64/138,027.77 = 28,843.62/x
  3. Step 3: Cross multiply
    92,018.64x = 138,027.77 × 28,843.62
  4. Step 4: Simplify right side
    92,018.64x = 3,981,220,547.33
  5. Step 5: Solve for x
    x = 3,981,220,547.33/92,018.64
  6. Step 6: Final answer
    x = 43,265.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.