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Finding the Fourth Proportional to 57,172.62, 85,066.93 and 55,744.14

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Solution

The fourth proportional to 57,172.62, 85,066.93 and 55,744.14 is: 82,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.62 : 85,066.93 = 55,744.14 : x
  2. Step 2: Convert to fraction form
    57,172.62/85,066.93 = 55,744.14/x
  3. Step 3: Cross multiply
    57,172.62x = 85,066.93 × 55,744.14
  4. Step 4: Simplify right side
    57,172.62x = 4,741,982,855.29
  5. Step 5: Solve for x
    x = 4,741,982,855.29/57,172.62
  6. Step 6: Final answer
    x = 82,941.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.