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Finding the Fourth Proportional to 57,107.62, 85,671.87 and 17,662.06

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Solution

The fourth proportional to 57,107.62, 85,671.87 and 17,662.06 is: 26,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.62 : 85,671.87 = 17,662.06 : x
  2. Step 2: Convert to fraction form
    57,107.62/85,671.87 = 17,662.06/x
  3. Step 3: Cross multiply
    57,107.62x = 85,671.87 × 17,662.06
  4. Step 4: Simplify right side
    57,107.62x = 1,513,141,708.25
  5. Step 5: Solve for x
    x = 1,513,141,708.25/57,107.62
  6. Step 6: Final answer
    x = 26,496.32

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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.