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Finding the Fourth Proportional to 8,009.93, 12,019.21 and 3,333.17

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Solution

The fourth proportional to 8,009.93, 12,019.21 and 3,333.17 is: 5,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.93 : 12,019.21 = 3,333.17 : x
  2. Step 2: Convert to fraction form
    8,009.93/12,019.21 = 3,333.17/x
  3. Step 3: Cross multiply
    8,009.93x = 12,019.21 × 3,333.17
  4. Step 4: Simplify right side
    8,009.93x = 40,062,070.20
  5. Step 5: Solve for x
    x = 40,062,070.20/8,009.93
  6. Step 6: Final answer
    x = 5,001.55

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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.