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Finding the Fourth Proportional to 6,899,380.70, 9,521,209.08 and 3,802,014.84

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Solution

The fourth proportional to 6,899,380.70, 9,521,209.08 and 3,802,014.84 is: 5,246,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,380.70 : 9,521,209.08 = 3,802,014.84 : x
  2. Step 2: Convert to fraction form
    6,899,380.70/9,521,209.08 = 3,802,014.84/x
  3. Step 3: Cross multiply
    6,899,380.70x = 9,521,209.08 × 3,802,014.84
  4. Step 4: Simplify right side
    6,899,380.70x = 36,199,778,216,902.74
  5. Step 5: Solve for x
    x = 36,199,778,216,902.74/6,899,380.70
  6. Step 6: Final answer
    x = 5,246,815.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.