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Finding the Fourth Proportional to 22,506.68, 33,739.14 and 7,712.08

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Solution

The fourth proportional to 22,506.68, 33,739.14 and 7,712.08 is: 11,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.68 : 33,739.14 = 7,712.08 : x
  2. Step 2: Convert to fraction form
    22,506.68/33,739.14 = 7,712.08/x
  3. Step 3: Cross multiply
    22,506.68x = 33,739.14 × 7,712.08
  4. Step 4: Simplify right side
    22,506.68x = 260,198,946.81
  5. Step 5: Solve for x
    x = 260,198,946.81/22,506.68
  6. Step 6: Final answer
    x = 11,560.97

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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.