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Finding the Fourth Proportional to 73,245.60, 109,827.12 and 23,316.48

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Solution

The fourth proportional to 73,245.60, 109,827.12 and 23,316.48 is: 34,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.60 : 109,827.12 = 23,316.48 : x
  2. Step 2: Convert to fraction form
    73,245.60/109,827.12 = 23,316.48/x
  3. Step 3: Cross multiply
    73,245.60x = 109,827.12 × 23,316.48
  4. Step 4: Simplify right side
    73,245.60x = 2,560,781,846.94
  5. Step 5: Solve for x
    x = 2,560,781,846.94/73,245.60
  6. Step 6: Final answer
    x = 34,961.58

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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.