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Finding the Fourth Proportional to 8,735,948.62, 12,055,649.48 and 5,067,037.42

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Solution

The fourth proportional to 8,735,948.62, 12,055,649.48 and 5,067,037.42 is: 6,992,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735,948.62 : 12,055,649.48 = 5,067,037.42 : x
  2. Step 2: Convert to fraction form
    8,735,948.62/12,055,649.48 = 5,067,037.42/x
  3. Step 3: Cross multiply
    8,735,948.62x = 12,055,649.48 × 5,067,037.42
  4. Step 4: Simplify right side
    8,735,948.62x = 61,086,427,037,563.54
  5. Step 5: Solve for x
    x = 61,086,427,037,563.54/8,735,948.62
  6. Step 6: Final answer
    x = 6,992,535.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.