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Finding the Fourth Proportional to 7,690.01, 11,528.19 and 3,739.10

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Solution

The fourth proportional to 7,690.01, 11,528.19 and 3,739.10 is: 5,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.01 : 11,528.19 = 3,739.10 : x
  2. Step 2: Convert to fraction form
    7,690.01/11,528.19 = 3,739.10/x
  3. Step 3: Cross multiply
    7,690.01x = 11,528.19 × 3,739.10
  4. Step 4: Simplify right side
    7,690.01x = 43,104,997.59
  5. Step 5: Solve for x
    x = 43,104,997.59/7,690.01
  6. Step 6: Final answer
    x = 5,605.33

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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.