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Finding the Fourth Proportional to 40,083.88, 55,340.88 and 25,749.46

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Solution

The fourth proportional to 40,083.88, 55,340.88 and 25,749.46 is: 35,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.88 : 55,340.88 = 25,749.46 : x
  2. Step 2: Convert to fraction form
    40,083.88/55,340.88 = 25,749.46/x
  3. Step 3: Cross multiply
    40,083.88x = 55,340.88 × 25,749.46
  4. Step 4: Simplify right side
    40,083.88x = 1,424,997,775.92
  5. Step 5: Solve for x
    x = 1,424,997,775.92/40,083.88
  6. Step 6: Final answer
    x = 35,550.40

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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.