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Finding the Fourth Proportional to 8,305,000.80, 12,459,250.80 and 2,625,799.20

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Solution

The fourth proportional to 8,305,000.80, 12,459,250.80 and 2,625,799.20 is: 3,939,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,000.80 : 12,459,250.80 = 2,625,799.20 : x
  2. Step 2: Convert to fraction form
    8,305,000.80/12,459,250.80 = 2,625,799.20/x
  3. Step 3: Cross multiply
    8,305,000.80x = 12,459,250.80 × 2,625,799.20
  4. Step 4: Simplify right side
    8,305,000.80x = 32,715,490,783,239.36
  5. Step 5: Solve for x
    x = 32,715,490,783,239.36/8,305,000.80
  6. Step 6: Final answer
    x = 3,939,251.97

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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.