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Finding the Fourth Proportional to 8,591,455, 11,855,904.42 and 4,723,949.08

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Solution

The fourth proportional to 8,591,455, 11,855,904.42 and 4,723,949.08 is: 6,518,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,455 : 11,855,904.42 = 4,723,949.08 : x
  2. Step 2: Convert to fraction form
    8,591,455/11,855,904.42 = 4,723,949.08/x
  3. Step 3: Cross multiply
    8,591,455x = 11,855,904.42 × 4,723,949.08
  4. Step 4: Simplify right side
    8,591,455x = 56,006,688,777,426.94
  5. Step 5: Solve for x
    x = 56,006,688,777,426.94/8,591,455
  6. Step 6: Final answer
    x = 6,518,882.86

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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.