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Finding the Fourth Proportional to 8,796,638.70, 13,194,958.05 and 8,796,638.70

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Solution

The fourth proportional to 8,796,638.70, 13,194,958.05 and 8,796,638.70 is: 13,194,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,638.70 : 13,194,958.05 = 8,796,638.70 : x
  2. Step 2: Convert to fraction form
    8,796,638.70/13,194,958.05 = 8,796,638.70/x
  3. Step 3: Cross multiply
    8,796,638.70x = 13,194,958.05 × 8,796,638.70
  4. Step 4: Simplify right side
    8,796,638.70x = 116,071,278,627,506.53
  5. Step 5: Solve for x
    x = 116,071,278,627,506.53/8,796,638.70
  6. Step 6: Final answer
    x = 13,194,958.05

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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.