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Finding the Fourth Proportional to 17,616,615.40, 26,424,923.10 and 11,589,437.80

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Solution

The fourth proportional to 17,616,615.40, 26,424,923.10 and 11,589,437.80 is: 17,384,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616,615.40 : 26,424,923.10 = 11,589,437.80 : x
  2. Step 2: Convert to fraction form
    17,616,615.40/26,424,923.10 = 11,589,437.80/x
  3. Step 3: Cross multiply
    17,616,615.40x = 26,424,923.10 × 11,589,437.80
  4. Step 4: Simplify right side
    17,616,615.40x = 306,250,002,637,233.19
  5. Step 5: Solve for x
    x = 306,250,002,637,233.19/17,616,615.40
  6. Step 6: Final answer
    x = 17,384,156.70

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1.5x scale

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.