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Finding the Fourth Proportional to 5,806,734.41, 8,703,647.53 and 4,382,171.21

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Solution

The fourth proportional to 5,806,734.41, 8,703,647.53 and 4,382,171.21 is: 6,568,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806,734.41 : 8,703,647.53 = 4,382,171.21 : x
  2. Step 2: Convert to fraction form
    5,806,734.41/8,703,647.53 = 4,382,171.21/x
  3. Step 3: Cross multiply
    5,806,734.41x = 8,703,647.53 × 4,382,171.21
  4. Step 4: Simplify right side
    5,806,734.41x = 38,140,873,627,953.61
  5. Step 5: Solve for x
    x = 38,140,873,627,953.61/5,806,734.41
  6. Step 6: Final answer
    x = 6,568,386.11

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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.