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Finding the Fourth Proportional to 5,788,776.88, 7,989,002.71 and 3,211,288.03

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Solution

The fourth proportional to 5,788,776.88, 7,989,002.71 and 3,211,288.03 is: 4,431,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788,776.88 : 7,989,002.71 = 3,211,288.03 : x
  2. Step 2: Convert to fraction form
    5,788,776.88/7,989,002.71 = 3,211,288.03/x
  3. Step 3: Cross multiply
    5,788,776.88x = 7,989,002.71 × 3,211,288.03
  4. Step 4: Simplify right side
    5,788,776.88x = 25,654,988,794,282.09
  5. Step 5: Solve for x
    x = 25,654,988,794,282.09/5,788,776.88
  6. Step 6: Final answer
    x = 4,431,849.65

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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.