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Finding the Fourth Proportional to 6,668,736.91, 9,202,866.01 and 3,612,951.16

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Solution

The fourth proportional to 6,668,736.91, 9,202,866.01 and 3,612,951.16 is: 4,985,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,736.91 : 9,202,866.01 = 3,612,951.16 : x
  2. Step 2: Convert to fraction form
    6,668,736.91/9,202,866.01 = 3,612,951.16/x
  3. Step 3: Cross multiply
    6,668,736.91x = 9,202,866.01 × 3,612,951.16
  4. Step 4: Simplify right side
    6,668,736.91x = 33,249,505,394,114.53
  5. Step 5: Solve for x
    x = 33,249,505,394,114.53/6,668,736.91
  6. Step 6: Final answer
    x = 4,985,877.51

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Why These Related Problems?

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