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Finding the Fourth Proportional to 8,066,463.80, 12,099,695.70 and 5,798,982.20

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Solution

The fourth proportional to 8,066,463.80, 12,099,695.70 and 5,798,982.20 is: 8,698,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,463.80 : 12,099,695.70 = 5,798,982.20 : x
  2. Step 2: Convert to fraction form
    8,066,463.80/12,099,695.70 = 5,798,982.20/x
  3. Step 3: Cross multiply
    8,066,463.80x = 12,099,695.70 × 5,798,982.20
  4. Step 4: Simplify right side
    8,066,463.80x = 70,165,919,989,716.54
  5. Step 5: Solve for x
    x = 70,165,919,989,716.54/8,066,463.80
  6. Step 6: Final answer
    x = 8,698,473.30

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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.