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Finding the Fourth Proportional to 34,935.78, 48,212.01 and 19,020.48

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Solution

The fourth proportional to 34,935.78, 48,212.01 and 19,020.48 is: 26,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,935.78 : 48,212.01 = 19,020.48 : x
  2. Step 2: Convert to fraction form
    34,935.78/48,212.01 = 19,020.48/x
  3. Step 3: Cross multiply
    34,935.78x = 48,212.01 × 19,020.48
  4. Step 4: Simplify right side
    34,935.78x = 917,015,571.96
  5. Step 5: Solve for x
    x = 917,015,571.96/34,935.78
  6. Step 6: Final answer
    x = 26,248.61

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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.