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Finding the Fourth Proportional to 8,064,785.80, 12,171,853.63 and 8,064,785.80

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Solution

The fourth proportional to 8,064,785.80, 12,171,853.63 and 8,064,785.80 is: 12,171,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,785.80 : 12,171,853.63 = 8,064,785.80 : x
  2. Step 2: Convert to fraction form
    8,064,785.80/12,171,853.63 = 8,064,785.80/x
  3. Step 3: Cross multiply
    8,064,785.80x = 12,171,853.63 × 8,064,785.80
  4. Step 4: Simplify right side
    8,064,785.80x = 98,163,392,314,902.45
  5. Step 5: Solve for x
    x = 98,163,392,314,902.45/8,064,785.80
  6. Step 6: Final answer
    x = 12,171,853.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.