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Finding the Fourth Proportional to 8,019.95, 12,031.74 and 3,023.87

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Solution

The fourth proportional to 8,019.95, 12,031.74 and 3,023.87 is: 4,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.95 : 12,031.74 = 3,023.87 : x
  2. Step 2: Convert to fraction form
    8,019.95/12,031.74 = 3,023.87/x
  3. Step 3: Cross multiply
    8,019.95x = 12,031.74 × 3,023.87
  4. Step 4: Simplify right side
    8,019.95x = 36,382,357.48
  5. Step 5: Solve for x
    x = 36,382,357.48/8,019.95
  6. Step 6: Final answer
    x = 4,536.48

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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.