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Finding the Fourth Proportional to 6,368,064.52, 8,787,891.60 and 3,467,448.45

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Solution

The fourth proportional to 6,368,064.52, 8,787,891.60 and 3,467,448.45 is: 4,785,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,064.52 : 8,787,891.60 = 3,467,448.45 : x
  2. Step 2: Convert to fraction form
    6,368,064.52/8,787,891.60 = 3,467,448.45/x
  3. Step 3: Cross multiply
    6,368,064.52x = 8,787,891.60 × 3,467,448.45
  4. Step 4: Simplify right side
    6,368,064.52x = 30,471,561,107,188.02
  5. Step 5: Solve for x
    x = 30,471,561,107,188.02/6,368,064.52
  6. Step 6: Final answer
    x = 4,785,058.48

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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.