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Finding the Fourth Proportional to 7,074,866, 9,763,324.80 and 3,855,602

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Solution

The fourth proportional to 7,074,866, 9,763,324.80 and 3,855,602 is: 5,320,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,866 : 9,763,324.80 = 3,855,602 : x
  2. Step 2: Convert to fraction form
    7,074,866/9,763,324.80 = 3,855,602/x
  3. Step 3: Cross multiply
    7,074,866x = 9,763,324.80 × 3,855,602
  4. Step 4: Simplify right side
    7,074,866x = 37,643,494,625,529.60
  5. Step 5: Solve for x
    x = 37,643,494,625,529.60/7,074,866
  6. Step 6: Final answer
    x = 5,320,736.06

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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.