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Finding the Fourth Proportional to 5,189,884.92, 7,099,799.34 and 5,168,025.52

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Solution

The fourth proportional to 5,189,884.92, 7,099,799.34 and 5,168,025.52 is: 7,069,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,884.92 : 7,099,799.34 = 5,168,025.52 : x
  2. Step 2: Convert to fraction form
    5,189,884.92/7,099,799.34 = 5,168,025.52/x
  3. Step 3: Cross multiply
    5,189,884.92x = 7,099,799.34 × 5,168,025.52
  4. Step 4: Simplify right side
    5,189,884.92x = 36,691,944,175,999.16
  5. Step 5: Solve for x
    x = 36,691,944,175,999.16/5,189,884.92
  6. Step 6: Final answer
    x = 7,069,895.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.