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Finding the Fourth Proportional to 8,193,640.10, 11,449,838.50 and 8,193,640.10

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Solution

The fourth proportional to 8,193,640.10, 11,449,838.50 and 8,193,640.10 is: 11,449,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,640.10 : 11,449,838.50 = 8,193,640.10 : x
  2. Step 2: Convert to fraction form
    8,193,640.10/11,449,838.50 = 8,193,640.10/x
  3. Step 3: Cross multiply
    8,193,640.10x = 11,449,838.50 × 8,193,640.10
  4. Step 4: Simplify right side
    8,193,640.10x = 93,815,855,872,123.84
  5. Step 5: Solve for x
    x = 93,815,855,872,123.84/8,193,640.10
  6. Step 6: Final answer
    x = 11,449,838.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.