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Finding the Fourth Proportional to 35,239.38, 48,655.85 and 22,686

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Solution

The fourth proportional to 35,239.38, 48,655.85 and 22,686 is: 31,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,239.38 : 48,655.85 = 22,686 : x
  2. Step 2: Convert to fraction form
    35,239.38/48,655.85 = 22,686/x
  3. Step 3: Cross multiply
    35,239.38x = 48,655.85 × 22,686
  4. Step 4: Simplify right side
    35,239.38x = 1,103,806,613.10
  5. Step 5: Solve for x
    x = 1,103,806,613.10/35,239.38
  6. Step 6: Final answer
    x = 31,323.10

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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.