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Finding the Fourth Proportional to 57,896.72, 79,888.92 and 32,745.68

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Solution

The fourth proportional to 57,896.72, 79,888.92 and 32,745.68 is: 45,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.72 : 79,888.92 = 32,745.68 : x
  2. Step 2: Convert to fraction form
    57,896.72/79,888.92 = 32,745.68/x
  3. Step 3: Cross multiply
    57,896.72x = 79,888.92 × 32,745.68
  4. Step 4: Simplify right side
    57,896.72x = 2,616,017,009.87
  5. Step 5: Solve for x
    x = 2,616,017,009.87/57,896.72
  6. Step 6: Final answer
    x = 45,184.20

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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.