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Finding the Fourth Proportional to 57,168.82, 85,707.44 and 27,168.01

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Solution

The fourth proportional to 57,168.82, 85,707.44 and 27,168.01 is: 40,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.82 : 85,707.44 = 27,168.01 : x
  2. Step 2: Convert to fraction form
    57,168.82/85,707.44 = 27,168.01/x
  3. Step 3: Cross multiply
    57,168.82x = 85,707.44 × 27,168.01
  4. Step 4: Simplify right side
    57,168.82x = 2,328,500,333.51
  5. Step 5: Solve for x
    x = 2,328,500,333.51/57,168.82
  6. Step 6: Final answer
    x = 40,730.25

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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.