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Finding the Fourth Proportional to 35,571.44, 49,087.92 and 19,655.55

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Solution

The fourth proportional to 35,571.44, 49,087.92 and 19,655.55 is: 27,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.44 : 49,087.92 = 19,655.55 : x
  2. Step 2: Convert to fraction form
    35,571.44/49,087.92 = 19,655.55/x
  3. Step 3: Cross multiply
    35,571.44x = 49,087.92 × 19,655.55
  4. Step 4: Simplify right side
    35,571.44x = 964,850,065.96
  5. Step 5: Solve for x
    x = 964,850,065.96/35,571.44
  6. Step 6: Final answer
    x = 27,124.29

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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.