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Finding the Fourth Proportional to 72,293.48, 108,444.44 and 27,920.44

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Solution

The fourth proportional to 72,293.48, 108,444.44 and 27,920.44 is: 41,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.48 : 108,444.44 = 27,920.44 : x
  2. Step 2: Convert to fraction form
    72,293.48/108,444.44 = 27,920.44/x
  3. Step 3: Cross multiply
    72,293.48x = 108,444.44 × 27,920.44
  4. Step 4: Simplify right side
    72,293.48x = 3,027,816,480.35
  5. Step 5: Solve for x
    x = 3,027,816,480.35/72,293.48
  6. Step 6: Final answer
    x = 41,882.29

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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.