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Finding the Fourth Proportional to 35,351.92, 48,784.39 and 19,436.25

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Solution

The fourth proportional to 35,351.92, 48,784.39 and 19,436.25 is: 26,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,351.92 : 48,784.39 = 19,436.25 : x
  2. Step 2: Convert to fraction form
    35,351.92/48,784.39 = 19,436.25/x
  3. Step 3: Cross multiply
    35,351.92x = 48,784.39 × 19,436.25
  4. Step 4: Simplify right side
    35,351.92x = 948,185,600.14
  5. Step 5: Solve for x
    x = 948,185,600.14/35,351.92
  6. Step 6: Final answer
    x = 26,821.33

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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.