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Finding the Fourth Proportional to 8,802,446.40, 13,203,669.60 and 3,754,267.20

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Solution

The fourth proportional to 8,802,446.40, 13,203,669.60 and 3,754,267.20 is: 5,631,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,446.40 : 13,203,669.60 = 3,754,267.20 : x
  2. Step 2: Convert to fraction form
    8,802,446.40/13,203,669.60 = 3,754,267.20/x
  3. Step 3: Cross multiply
    8,802,446.40x = 13,203,669.60 × 3,754,267.20
  4. Step 4: Simplify right side
    8,802,446.40x = 49,570,103,698,917.12
  5. Step 5: Solve for x
    x = 49,570,103,698,917.12/8,802,446.40
  6. Step 6: Final answer
    x = 5,631,400.80

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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.