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Finding the Fourth Proportional to 5,806,643.89, 8,709,403.02 and 1,763,167.25

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Solution

The fourth proportional to 5,806,643.89, 8,709,403.02 and 1,763,167.25 is: 2,644,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806,643.89 : 8,709,403.02 = 1,763,167.25 : x
  2. Step 2: Convert to fraction form
    5,806,643.89/8,709,403.02 = 1,763,167.25/x
  3. Step 3: Cross multiply
    5,806,643.89x = 8,709,403.02 × 1,763,167.25
  4. Step 4: Simplify right side
    5,806,643.89x = 15,356,134,150,141.59
  5. Step 5: Solve for x
    x = 15,356,134,150,141.59/5,806,643.89
  6. Step 6: Final answer
    x = 2,644,579.97

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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.