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Finding the Fourth Proportional to 5,062,845.78, 7,593,300.99 and 1,516,989.78

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Solution

The fourth proportional to 5,062,845.78, 7,593,300.99 and 1,516,989.78 is: 2,275,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062,845.78 : 7,593,300.99 = 1,516,989.78 : x
  2. Step 2: Convert to fraction form
    5,062,845.78/7,593,300.99 = 1,516,989.78/x
  3. Step 3: Cross multiply
    5,062,845.78x = 7,593,300.99 × 1,516,989.78
  4. Step 4: Simplify right side
    5,062,845.78x = 11,518,959,998,293.88
  5. Step 5: Solve for x
    x = 11,518,959,998,293.88/5,062,845.78
  6. Step 6: Final answer
    x = 2,275,194.72

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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.