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Finding the Fourth Proportional to 3,806,605.53, 5,710,962.51 and 1,757,891.97

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Solution

The fourth proportional to 3,806,605.53, 5,710,962.51 and 1,757,891.97 is: 2,637,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806,605.53 : 5,710,962.51 = 1,757,891.97 : x
  2. Step 2: Convert to fraction form
    3,806,605.53/5,710,962.51 = 1,757,891.97/x
  3. Step 3: Cross multiply
    3,806,605.53x = 5,710,962.51 × 1,757,891.97
  4. Step 4: Simplify right side
    3,806,605.53x = 10,039,255,137,300.04
  5. Step 5: Solve for x
    x = 10,039,255,137,300.04/3,806,605.53
  6. Step 6: Final answer
    x = 2,637,324.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.