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Finding the Fourth Proportional to 77,083.57, 115,637.83 and 23,763.08

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Solution

The fourth proportional to 77,083.57, 115,637.83 and 23,763.08 is: 35,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.57 : 115,637.83 = 23,763.08 : x
  2. Step 2: Convert to fraction form
    77,083.57/115,637.83 = 23,763.08/x
  3. Step 3: Cross multiply
    77,083.57x = 115,637.83 × 23,763.08
  4. Step 4: Simplify right side
    77,083.57x = 2,747,910,584.54
  5. Step 5: Solve for x
    x = 2,747,910,584.54/77,083.57
  6. Step 6: Final answer
    x = 35,648.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.