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Finding the Fourth Proportional to 33,290.88, 49,970.64 and 25,975.44

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Solution

The fourth proportional to 33,290.88, 49,970.64 and 25,975.44 is: 38,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.88 : 49,970.64 = 25,975.44 : x
  2. Step 2: Convert to fraction form
    33,290.88/49,970.64 = 25,975.44/x
  3. Step 3: Cross multiply
    33,290.88x = 49,970.64 × 25,975.44
  4. Step 4: Simplify right side
    33,290.88x = 1,298,009,361.08
  5. Step 5: Solve for x
    x = 1,298,009,361.08/33,290.88
  6. Step 6: Final answer
    x = 38,989.94

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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.