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Finding the Fourth Proportional to 8,000,794.80, 12,001,192.20 and 7,465,417.20

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Solution

The fourth proportional to 8,000,794.80, 12,001,192.20 and 7,465,417.20 is: 11,198,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000,794.80 : 12,001,192.20 = 7,465,417.20 : x
  2. Step 2: Convert to fraction form
    8,000,794.80/12,001,192.20 = 7,465,417.20/x
  3. Step 3: Cross multiply
    8,000,794.80x = 12,001,192.20 × 7,465,417.20
  4. Step 4: Simplify right side
    8,000,794.80x = 89,593,906,670,385.84
  5. Step 5: Solve for x
    x = 89,593,906,670,385.84/8,000,794.80
  6. Step 6: Final answer
    x = 11,198,125.80

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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.