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Finding the Fourth Proportional to 72,296.32, 108,449.56 and 22,369.86

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Solution

The fourth proportional to 72,296.32, 108,449.56 and 22,369.86 is: 33,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.32 : 108,449.56 = 22,369.86 : x
  2. Step 2: Convert to fraction form
    72,296.32/108,449.56 = 22,369.86/x
  3. Step 3: Cross multiply
    72,296.32x = 108,449.56 × 22,369.86
  4. Step 4: Simplify right side
    72,296.32x = 2,426,001,474.26
  5. Step 5: Solve for x
    x = 2,426,001,474.26/72,296.32
  6. Step 6: Final answer
    x = 33,556.36

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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.