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Finding the Fourth Proportional to 7,008,710, 9,672,019.80 and 3,789,446

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Solution

The fourth proportional to 7,008,710, 9,672,019.80 and 3,789,446 is: 5,229,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,710 : 9,672,019.80 = 3,789,446 : x
  2. Step 2: Convert to fraction form
    7,008,710/9,672,019.80 = 3,789,446/x
  3. Step 3: Cross multiply
    7,008,710x = 9,672,019.80 × 3,789,446
  4. Step 4: Simplify right side
    7,008,710x = 36,651,596,743,030.80
  5. Step 5: Solve for x
    x = 36,651,596,743,030.80/7,008,710
  6. Step 6: Final answer
    x = 5,229,435.48

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Why These Related Problems?

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