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Finding the Fourth Proportional to 8,018.66, 12,028.20 and 3,800.93

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Solution

The fourth proportional to 8,018.66, 12,028.20 and 3,800.93 is: 5,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.66 : 12,028.20 = 3,800.93 : x
  2. Step 2: Convert to fraction form
    8,018.66/12,028.20 = 3,800.93/x
  3. Step 3: Cross multiply
    8,018.66x = 12,028.20 × 3,800.93
  4. Step 4: Simplify right side
    8,018.66x = 45,718,346.23
  5. Step 5: Solve for x
    x = 45,718,346.23/8,018.66
  6. Step 6: Final answer
    x = 5,701.49

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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.