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Finding the Fourth Proportional to 57,121.02, 85,736.88 and 27,559.62

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Solution

The fourth proportional to 57,121.02, 85,736.88 and 27,559.62 is: 41,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.02 : 85,736.88 = 27,559.62 : x
  2. Step 2: Convert to fraction form
    57,121.02/85,736.88 = 27,559.62/x
  3. Step 3: Cross multiply
    57,121.02x = 85,736.88 × 27,559.62
  4. Step 4: Simplify right side
    57,121.02x = 2,362,875,832.79
  5. Step 5: Solve for x
    x = 2,362,875,832.79/57,121.02
  6. Step 6: Final answer
    x = 41,366.14

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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.