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Finding the Fourth Proportional to 17,616,614.40, 26,424,921.60 and 11,589,436.80

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Solution

The fourth proportional to 17,616,614.40, 26,424,921.60 and 11,589,436.80 is: 17,384,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616,614.40 : 26,424,921.60 = 11,589,436.80 : x
  2. Step 2: Convert to fraction form
    17,616,614.40/26,424,921.60 = 11,589,436.80/x
  3. Step 3: Cross multiply
    17,616,614.40x = 26,424,921.60 × 11,589,436.80
  4. Step 4: Simplify right side
    17,616,614.40x = 306,249,958,828,154.94
  5. Step 5: Solve for x
    x = 306,249,958,828,154.94/17,616,614.40
  6. Step 6: Final answer
    x = 17,384,155.20

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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.