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Finding the Fourth Proportional to 5,754,500, 7,941,210 and 3,210,884

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Solution

The fourth proportional to 5,754,500, 7,941,210 and 3,210,884 is: 4,431,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754,500 : 7,941,210 = 3,210,884 : x
  2. Step 2: Convert to fraction form
    5,754,500/7,941,210 = 3,210,884/x
  3. Step 3: Cross multiply
    5,754,500x = 7,941,210 × 3,210,884
  4. Step 4: Simplify right side
    5,754,500x = 25,498,304,129,640
  5. Step 5: Solve for x
    x = 25,498,304,129,640/5,754,500
  6. Step 6: Final answer
    x = 4,431,019.92

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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.