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Finding the Fourth Proportional to 8,018.88, 12,010.08 and 5,542.48

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Solution

The fourth proportional to 8,018.88, 12,010.08 and 5,542.48 is: 8,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.88 : 12,010.08 = 5,542.48 : x
  2. Step 2: Convert to fraction form
    8,018.88/12,010.08 = 5,542.48/x
  3. Step 3: Cross multiply
    8,018.88x = 12,010.08 × 5,542.48
  4. Step 4: Simplify right side
    8,018.88x = 66,565,628.20
  5. Step 5: Solve for x
    x = 66,565,628.20/8,018.88
  6. Step 6: Final answer
    x = 8,301.11

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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.