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Finding the Fourth Proportional to 17,752,500.80, 26,628,751.20 and 14,882,719.40

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Solution

The fourth proportional to 17,752,500.80, 26,628,751.20 and 14,882,719.40 is: 22,324,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752,500.80 : 26,628,751.20 = 14,882,719.40 : x
  2. Step 2: Convert to fraction form
    17,752,500.80/26,628,751.20 = 14,882,719.40/x
  3. Step 3: Cross multiply
    17,752,500.80x = 26,628,751.20 × 14,882,719.40
  4. Step 4: Simplify right side
    17,752,500.80x = 396,308,232,082,013.25
  5. Step 5: Solve for x
    x = 396,308,232,082,013.25/17,752,500.80
  6. Step 6: Final answer
    x = 22,324,079.10

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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.