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Finding the Fourth Proportional to 62,112.49, 85,717.31 and 34,893.34

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Solution

The fourth proportional to 62,112.49, 85,717.31 and 34,893.34 is: 48,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.49 : 85,717.31 = 34,893.34 : x
  2. Step 2: Convert to fraction form
    62,112.49/85,717.31 = 34,893.34/x
  3. Step 3: Cross multiply
    62,112.49x = 85,717.31 × 34,893.34
  4. Step 4: Simplify right side
    62,112.49x = 2,990,962,852.96
  5. Step 5: Solve for x
    x = 2,990,962,852.96/62,112.49
  6. Step 6: Final answer
    x = 48,153.97

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1.5x scale

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.