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Finding the Fourth Proportional to 57,403.62, 86,107.05 and 15,850.62

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Solution

The fourth proportional to 57,403.62, 86,107.05 and 15,850.62 is: 23,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.62 : 86,107.05 = 15,850.62 : x
  2. Step 2: Convert to fraction form
    57,403.62/86,107.05 = 15,850.62/x
  3. Step 3: Cross multiply
    57,403.62x = 86,107.05 × 15,850.62
  4. Step 4: Simplify right side
    57,403.62x = 1,364,850,128.87
  5. Step 5: Solve for x
    x = 1,364,850,128.87/57,403.62
  6. Step 6: Final answer
    x = 23,776.38

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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.