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Finding the Fourth Proportional to 8,700,964.42, 12,007,671.36 and 5,953,414.44

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Solution

The fourth proportional to 8,700,964.42, 12,007,671.36 and 5,953,414.44 is: 8,215,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,964.42 : 12,007,671.36 = 5,953,414.44 : x
  2. Step 2: Convert to fraction form
    8,700,964.42/12,007,671.36 = 5,953,414.44/x
  3. Step 3: Cross multiply
    8,700,964.42x = 12,007,671.36 × 5,953,414.44
  4. Step 4: Simplify right side
    8,700,964.42x = 71,486,644,065,398.44
  5. Step 5: Solve for x
    x = 71,486,644,065,398.44/8,700,964.42
  6. Step 6: Final answer
    x = 8,215,944.88

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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.