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Finding the Fourth Proportional to 57,601.63, 86,392.07 and 40,893.76

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Solution

The fourth proportional to 57,601.63, 86,392.07 and 40,893.76 is: 61,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.63 : 86,392.07 = 40,893.76 : x
  2. Step 2: Convert to fraction form
    57,601.63/86,392.07 = 40,893.76/x
  3. Step 3: Cross multiply
    57,601.63x = 86,392.07 × 40,893.76
  4. Step 4: Simplify right side
    57,601.63x = 3,532,896,876.33
  5. Step 5: Solve for x
    x = 3,532,896,876.33/57,601.63
  6. Step 6: Final answer
    x = 61,333.28

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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.