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Finding the Fourth Proportional to 7,227,550.71, 9,974,036.16 and 4,171,762.53

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Solution

The fourth proportional to 7,227,550.71, 9,974,036.16 and 4,171,762.53 is: 5,757,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227,550.71 : 9,974,036.16 = 4,171,762.53 : x
  2. Step 2: Convert to fraction form
    7,227,550.71/9,974,036.16 = 4,171,762.53/x
  3. Step 3: Cross multiply
    7,227,550.71x = 9,974,036.16 × 4,171,762.53
  4. Step 4: Simplify right side
    7,227,550.71x = 41,609,310,325,153.09
  5. Step 5: Solve for x
    x = 41,609,310,325,153.09/7,227,550.71
  6. Step 6: Final answer
    x = 5,757,041.63

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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.