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Finding the Fourth Proportional to 7,092,950.56, 9,787,716.80 and 3,995,338.56

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Solution

The fourth proportional to 7,092,950.56, 9,787,716.80 and 3,995,338.56 is: 5,513,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092,950.56 : 9,787,716.80 = 3,995,338.56 : x
  2. Step 2: Convert to fraction form
    7,092,950.56/9,787,716.80 = 3,995,338.56/x
  3. Step 3: Cross multiply
    7,092,950.56x = 9,787,716.80 × 3,995,338.56
  4. Step 4: Simplify right side
    7,092,950.56x = 39,105,242,345,399.81
  5. Step 5: Solve for x
    x = 39,105,242,345,399.81/7,092,950.56
  6. Step 6: Final answer
    x = 5,513,254.61

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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.