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Finding the Fourth Proportional to 16,510,561.60, 24,716,853.60 and 12,269,531.20

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Solution

The fourth proportional to 16,510,561.60, 24,716,853.60 and 12,269,531.20 is: 18,367,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,510,561.60 : 24,716,853.60 = 12,269,531.20 : x
  2. Step 2: Convert to fraction form
    16,510,561.60/24,716,853.60 = 12,269,531.20/x
  3. Step 3: Cross multiply
    16,510,561.60x = 24,716,853.60 × 12,269,531.20
  4. Step 4: Simplify right side
    16,510,561.60x = 303,264,206,411,032.31
  5. Step 5: Solve for x
    x = 303,264,206,411,032.31/16,510,561.60
  6. Step 6: Final answer
    x = 18,367,891.64

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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.