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Finding the Fourth Proportional to 35,409.70, 48,865.71 and 19,494.50

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Solution

The fourth proportional to 35,409.70, 48,865.71 and 19,494.50 is: 26,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.70 : 48,865.71 = 19,494.50 : x
  2. Step 2: Convert to fraction form
    35,409.70/48,865.71 = 19,494.50/x
  3. Step 3: Cross multiply
    35,409.70x = 48,865.71 × 19,494.50
  4. Step 4: Simplify right side
    35,409.70x = 952,612,583.60
  5. Step 5: Solve for x
    x = 952,612,583.60/35,409.70
  6. Step 6: Final answer
    x = 26,902.59

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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.