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Finding the Fourth Proportional to 22,293.29, 30,764.68 and 12,222.16

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Solution

The fourth proportional to 22,293.29, 30,764.68 and 12,222.16 is: 16,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.29 : 30,764.68 = 12,222.16 : x
  2. Step 2: Convert to fraction form
    22,293.29/30,764.68 = 12,222.16/x
  3. Step 3: Cross multiply
    22,293.29x = 30,764.68 × 12,222.16
  4. Step 4: Simplify right side
    22,293.29x = 376,010,733.84
  5. Step 5: Solve for x
    x = 376,010,733.84/22,293.29
  6. Step 6: Final answer
    x = 16,866.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.