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Finding the Fourth Proportional to 6,668,522.56, 9,202,570.47 and 3,612,736.81

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Solution

The fourth proportional to 6,668,522.56, 9,202,570.47 and 3,612,736.81 is: 4,985,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,522.56 : 9,202,570.47 = 3,612,736.81 : x
  2. Step 2: Convert to fraction form
    6,668,522.56/9,202,570.47 = 3,612,736.81/x
  3. Step 3: Cross multiply
    6,668,522.56x = 9,202,570.47 × 3,612,736.81
  4. Step 4: Simplify right side
    6,668,522.56x = 33,246,465,071,062.52
  5. Step 5: Solve for x
    x = 33,246,465,071,062.52/6,668,522.56
  6. Step 6: Final answer
    x = 4,985,581.85

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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.