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Finding the Fourth Proportional to 5,536,891.60, 8,305,337.40 and 5,536,891.60

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Solution

The fourth proportional to 5,536,891.60, 8,305,337.40 and 5,536,891.60 is: 8,305,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536,891.60 : 8,305,337.40 = 5,536,891.60 : x
  2. Step 2: Convert to fraction form
    5,536,891.60/8,305,337.40 = 5,536,891.60/x
  3. Step 3: Cross multiply
    5,536,891.60x = 8,305,337.40 × 5,536,891.60
  4. Step 4: Simplify right side
    5,536,891.60x = 45,985,752,885,225.84
  5. Step 5: Solve for x
    x = 45,985,752,885,225.84/5,536,891.60
  6. Step 6: Final answer
    x = 8,305,337.40

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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.