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Finding the Fourth Proportional to 3,713,708.22, 5,570,581.56 and 1,690,537.25

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Solution

The fourth proportional to 3,713,708.22, 5,570,581.56 and 1,690,537.25 is: 2,535,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713,708.22 : 5,570,581.56 = 1,690,537.25 : x
  2. Step 2: Convert to fraction form
    3,713,708.22/5,570,581.56 = 1,690,537.25/x
  3. Step 3: Cross multiply
    3,713,708.22x = 5,570,581.56 × 1,690,537.25
  4. Step 4: Simplify right side
    3,713,708.22x = 9,417,275,631,343.11
  5. Step 5: Solve for x
    x = 9,417,275,631,343.11/3,713,708.22
  6. Step 6: Final answer
    x = 2,535,814.63

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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.