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Finding the Fourth Proportional to 22,471,279.65, 33,649,895.48 and 12,362,479.65

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Solution

The fourth proportional to 22,471,279.65, 33,649,895.48 and 12,362,479.65 is: 18,512,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,279.65 : 33,649,895.48 = 12,362,479.65 : x
  2. Step 2: Convert to fraction form
    22,471,279.65/33,649,895.48 = 12,362,479.65/x
  3. Step 3: Cross multiply
    22,471,279.65x = 33,649,895.48 × 12,362,479.65
  4. Step 4: Simplify right side
    22,471,279.65x = 415,996,148,034,314.62
  5. Step 5: Solve for x
    x = 415,996,148,034,314.62/22,471,279.65
  6. Step 6: Final answer
    x = 18,512,347.96

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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.