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Finding the Fourth Proportional to 8,037,986.40, 12,053,480.40 and 2,644,552.80

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Solution

The fourth proportional to 8,037,986.40, 12,053,480.40 and 2,644,552.80 is: 3,965,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037,986.40 : 12,053,480.40 = 2,644,552.80 : x
  2. Step 2: Convert to fraction form
    8,037,986.40/12,053,480.40 = 2,644,552.80/x
  3. Step 3: Cross multiply
    8,037,986.40x = 12,053,480.40 × 2,644,552.80
  4. Step 4: Simplify right side
    8,037,986.40x = 31,876,065,341,565.12
  5. Step 5: Solve for x
    x = 31,876,065,341,565.12/8,037,986.40
  6. Step 6: Final answer
    x = 3,965,677.94

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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.