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Finding the Fourth Proportional to 72,277.56, 108,425.88 and 32,296.86

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Solution

The fourth proportional to 72,277.56, 108,425.88 and 32,296.86 is: 48,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.56 : 108,425.88 = 32,296.86 : x
  2. Step 2: Convert to fraction form
    72,277.56/108,425.88 = 32,296.86/x
  3. Step 3: Cross multiply
    72,277.56x = 108,425.88 × 32,296.86
  4. Step 4: Simplify right side
    72,277.56x = 3,501,815,466.74
  5. Step 5: Solve for x
    x = 3,501,815,466.74/72,277.56
  6. Step 6: Final answer
    x = 48,449.55

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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.