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Finding the Fourth Proportional to 57,728.72, 79,654.92 and 32,573.36

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Solution

The fourth proportional to 57,728.72, 79,654.92 and 32,573.36 is: 44,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728.72 : 79,654.92 = 32,573.36 : x
  2. Step 2: Convert to fraction form
    57,728.72/79,654.92 = 32,573.36/x
  3. Step 3: Cross multiply
    57,728.72x = 79,654.92 × 32,573.36
  4. Step 4: Simplify right side
    57,728.72x = 2,594,628,384.93
  5. Step 5: Solve for x
    x = 2,594,628,384.93/57,728.72
  6. Step 6: Final answer
    x = 44,945.19

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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.