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Finding the Fourth Proportional to 5,299,803.92, 7,949,536.38 and 2,227,422.48

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Solution

The fourth proportional to 5,299,803.92, 7,949,536.38 and 2,227,422.48 is: 3,341,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,803.92 : 7,949,536.38 = 2,227,422.48 : x
  2. Step 2: Convert to fraction form
    5,299,803.92/7,949,536.38 = 2,227,422.48/x
  3. Step 3: Cross multiply
    5,299,803.92x = 7,949,536.38 × 2,227,422.48
  4. Step 4: Simplify right side
    5,299,803.92x = 17,706,976,038,389.82
  5. Step 5: Solve for x
    x = 17,706,976,038,389.82/5,299,803.92
  6. Step 6: Final answer
    x = 3,341,062.48

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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.