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Finding the Fourth Proportional to 3,869,825.92, 5,804,797.76 and 1,473,803.20

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Solution

The fourth proportional to 3,869,825.92, 5,804,797.76 and 1,473,803.20 is: 2,210,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,825.92 : 5,804,797.76 = 1,473,803.20 : x
  2. Step 2: Convert to fraction form
    3,869,825.92/5,804,797.76 = 1,473,803.20/x
  3. Step 3: Cross multiply
    3,869,825.92x = 5,804,797.76 × 1,473,803.20
  4. Step 4: Simplify right side
    3,869,825.92x = 8,555,129,514,040.83
  5. Step 5: Solve for x
    x = 8,555,129,514,040.83/3,869,825.92
  6. Step 6: Final answer
    x = 2,210,727.22

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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.