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Finding the Fourth Proportional to 5,451,686.70, 8,177,530.05 and 5,346,710.70

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Solution

The fourth proportional to 5,451,686.70, 8,177,530.05 and 5,346,710.70 is: 8,020,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,686.70 : 8,177,530.05 = 5,346,710.70 : x
  2. Step 2: Convert to fraction form
    5,451,686.70/8,177,530.05 = 5,346,710.70/x
  3. Step 3: Cross multiply
    5,451,686.70x = 8,177,530.05 × 5,346,710.70
  4. Step 4: Simplify right side
    5,451,686.70x = 43,722,887,417,906.54
  5. Step 5: Solve for x
    x = 43,722,887,417,906.54/5,451,686.70
  6. Step 6: Final answer
    x = 8,020,066.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.