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Finding the Fourth Proportional to 16,626,229.60, 24,939,344.40 and 15,702,440.80

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Solution

The fourth proportional to 16,626,229.60, 24,939,344.40 and 15,702,440.80 is: 23,553,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,626,229.60 : 24,939,344.40 = 15,702,440.80 : x
  2. Step 2: Convert to fraction form
    16,626,229.60/24,939,344.40 = 15,702,440.80/x
  3. Step 3: Cross multiply
    16,626,229.60x = 24,939,344.40 × 15,702,440.80
  4. Step 4: Simplify right side
    16,626,229.60x = 391,608,579,031,811.50
  5. Step 5: Solve for x
    x = 391,608,579,031,811.50/16,626,229.60
  6. Step 6: Final answer
    x = 23,553,661.20

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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.