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Finding the Fourth Proportional to 8,972,446.80, 13,460,419.80 and 3,854,866.80

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Solution

The fourth proportional to 8,972,446.80, 13,460,419.80 and 3,854,866.80 is: 5,783,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,446.80 : 13,460,419.80 = 3,854,866.80 : x
  2. Step 2: Convert to fraction form
    8,972,446.80/13,460,419.80 = 3,854,866.80/x
  3. Step 3: Cross multiply
    8,972,446.80x = 13,460,419.80 × 3,854,866.80
  4. Step 4: Simplify right side
    8,972,446.80x = 51,888,125,401,082.64
  5. Step 5: Solve for x
    x = 51,888,125,401,082.64/8,972,446.80
  6. Step 6: Final answer
    x = 5,783,051.89

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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.