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Finding the Fourth Proportional to 8,858,016.70, 13,266,029.85 and 8,858,016.70

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Solution

The fourth proportional to 8,858,016.70, 13,266,029.85 and 8,858,016.70 is: 13,266,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,016.70 : 13,266,029.85 = 8,858,016.70 : x
  2. Step 2: Convert to fraction form
    8,858,016.70/13,266,029.85 = 8,858,016.70/x
  3. Step 3: Cross multiply
    8,858,016.70x = 13,266,029.85 × 8,858,016.70
  4. Step 4: Simplify right side
    8,858,016.70x = 117,510,713,953,998.48
  5. Step 5: Solve for x
    x = 117,510,713,953,998.48/8,858,016.70
  6. Step 6: Final answer
    x = 13,266,029.85

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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.