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Finding the Fourth Proportional to 57,279.60, 85,953 and 23,997.12

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Solution

The fourth proportional to 57,279.60, 85,953 and 23,997.12 is: 36,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,279.60 : 85,953 = 23,997.12 : x
  2. Step 2: Convert to fraction form
    57,279.60/85,953 = 23,997.12/x
  3. Step 3: Cross multiply
    57,279.60x = 85,953 × 23,997.12
  4. Step 4: Simplify right side
    57,279.60x = 2,062,624,455.36
  5. Step 5: Solve for x
    x = 2,062,624,455.36/57,279.60
  6. Step 6: Final answer
    x = 36,009.76

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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.