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Finding the Fourth Proportional to 75,270.25, 112,949.12 and 33,717.25

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Solution

The fourth proportional to 75,270.25, 112,949.12 and 33,717.25 is: 50,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.25 : 112,949.12 = 33,717.25 : x
  2. Step 2: Convert to fraction form
    75,270.25/112,949.12 = 33,717.25/x
  3. Step 3: Cross multiply
    75,270.25x = 112,949.12 × 33,717.25
  4. Step 4: Simplify right side
    75,270.25x = 3,808,333,716.32
  5. Step 5: Solve for x
    x = 3,808,333,716.32/75,270.25
  6. Step 6: Final answer
    x = 50,595.47

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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.