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Finding the Fourth Proportional to 11,310,358.70, 16,965,538.06 and 11,310,358.70

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Solution

The fourth proportional to 11,310,358.70, 16,965,538.06 and 11,310,358.70 is: 16,965,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310,358.70 : 16,965,538.06 = 11,310,358.70 : x
  2. Step 2: Convert to fraction form
    11,310,358.70/16,965,538.06 = 11,310,358.70/x
  3. Step 3: Cross multiply
    11,310,358.70x = 16,965,538.06 × 11,310,358.70
  4. Step 4: Simplify right side
    11,310,358.70x = 191,886,320,997,102.09
  5. Step 5: Solve for x
    x = 191,886,320,997,102.09/11,310,358.70
  6. Step 6: Final answer
    x = 16,965,538.06

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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.