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Finding the Fourth Proportional to 22,805.15, 34,211.15 and 8,011.46

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Solution

The fourth proportional to 22,805.15, 34,211.15 and 8,011.46 is: 12,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.15 : 34,211.15 = 8,011.46 : x
  2. Step 2: Convert to fraction form
    22,805.15/34,211.15 = 8,011.46/x
  3. Step 3: Cross multiply
    22,805.15x = 34,211.15 × 8,011.46
  4. Step 4: Simplify right side
    22,805.15x = 274,081,259.78
  5. Step 5: Solve for x
    x = 274,081,259.78/22,805.15
  6. Step 6: Final answer
    x = 12,018.39

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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.