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Finding the Fourth Proportional to 17,938,687.98, 24,763,041.44 and 12,061,728.62

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Solution

The fourth proportional to 17,938,687.98, 24,763,041.44 and 12,061,728.62 is: 16,650,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,687.98 : 24,763,041.44 = 12,061,728.62 : x
  2. Step 2: Convert to fraction form
    17,938,687.98/24,763,041.44 = 12,061,728.62/x
  3. Step 3: Cross multiply
    17,938,687.98x = 24,763,041.44 × 12,061,728.62
  4. Step 4: Simplify right side
    17,938,687.98x = 298,685,085,531,278.81
  5. Step 5: Solve for x
    x = 298,685,085,531,278.81/17,938,687.98
  6. Step 6: Final answer
    x = 16,650,330.61

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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.