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Finding the Fourth Proportional to 57,947.60, 79,967.24 and 32,796.24

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Solution

The fourth proportional to 57,947.60, 79,967.24 and 32,796.24 is: 45,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947.60 : 79,967.24 = 32,796.24 : x
  2. Step 2: Convert to fraction form
    57,947.60/79,967.24 = 32,796.24/x
  3. Step 3: Cross multiply
    57,947.60x = 79,967.24 × 32,796.24
  4. Step 4: Simplify right side
    57,947.60x = 2,622,624,795.18
  5. Step 5: Solve for x
    x = 2,622,624,795.18/57,947.60
  6. Step 6: Final answer
    x = 45,258.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.