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Finding the Fourth Proportional to 16,786,800.20, 25,180,200.30 and 8,265,373.40

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Solution

The fourth proportional to 16,786,800.20, 25,180,200.30 and 8,265,373.40 is: 12,398,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,800.20 : 25,180,200.30 = 8,265,373.40 : x
  2. Step 2: Convert to fraction form
    16,786,800.20/25,180,200.30 = 8,265,373.40/x
  3. Step 3: Cross multiply
    16,786,800.20x = 25,180,200.30 × 8,265,373.40
  4. Step 4: Simplify right side
    16,786,800.20x = 208,123,757,766,292.03
  5. Step 5: Solve for x
    x = 208,123,757,766,292.03/16,786,800.20
  6. Step 6: Final answer
    x = 12,398,060.10

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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.