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Finding the Fourth Proportional to 35,407.98, 48,861.14 and 19,489.37

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Solution

The fourth proportional to 35,407.98, 48,861.14 and 19,489.37 is: 26,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.98 : 48,861.14 = 19,489.37 : x
  2. Step 2: Convert to fraction form
    35,407.98/48,861.14 = 19,489.37/x
  3. Step 3: Cross multiply
    35,407.98x = 48,861.14 × 19,489.37
  4. Step 4: Simplify right side
    35,407.98x = 952,272,494.33
  5. Step 5: Solve for x
    x = 952,272,494.33/35,407.98
  6. Step 6: Final answer
    x = 26,894.29

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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.