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Finding the Fourth Proportional to 35,571.68, 49,087.60 and 19,655.80

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Solution

The fourth proportional to 35,571.68, 49,087.60 and 19,655.80 is: 27,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.68 : 49,087.60 = 19,655.80 : x
  2. Step 2: Convert to fraction form
    35,571.68/49,087.60 = 19,655.80/x
  3. Step 3: Cross multiply
    35,571.68x = 49,087.60 × 19,655.80
  4. Step 4: Simplify right side
    35,571.68x = 964,856,048.08
  5. Step 5: Solve for x
    x = 964,856,048.08/35,571.68
  6. Step 6: Final answer
    x = 27,124.28

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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.