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Finding the Fourth Proportional to 14,791,805.25, 20,412,299.65 and 8,265,488.34

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Solution

The fourth proportional to 14,791,805.25, 20,412,299.65 and 8,265,488.34 is: 11,406,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791,805.25 : 20,412,299.65 = 8,265,488.34 : x
  2. Step 2: Convert to fraction form
    14,791,805.25/20,412,299.65 = 8,265,488.34/x
  3. Step 3: Cross multiply
    14,791,805.25x = 20,412,299.65 × 8,265,488.34
  4. Step 4: Simplify right side
    14,791,805.25x = 168,717,624,763,631.69
  5. Step 5: Solve for x
    x = 168,717,624,763,631.69/14,791,805.25
  6. Step 6: Final answer
    x = 11,406,155.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.