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Finding the Fourth Proportional to 16,608,859.20, 24,913,288.80 and 15,601,089.60

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Solution

The fourth proportional to 16,608,859.20, 24,913,288.80 and 15,601,089.60 is: 23,401,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608,859.20 : 24,913,288.80 = 15,601,089.60 : x
  2. Step 2: Convert to fraction form
    16,608,859.20/24,913,288.80 = 15,601,089.60/x
  3. Step 3: Cross multiply
    16,608,859.20x = 24,913,288.80 × 15,601,089.60
  4. Step 4: Simplify right side
    16,608,859.20x = 388,674,450,799,476.50
  5. Step 5: Solve for x
    x = 388,674,450,799,476.50/16,608,859.20
  6. Step 6: Final answer
    x = 23,401,634.40

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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.