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Finding the Fourth Proportional to 39,108.42, 58,662.02 and 15,734.25

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Solution

The fourth proportional to 39,108.42, 58,662.02 and 15,734.25 is: 23,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.42 : 58,662.02 = 15,734.25 : x
  2. Step 2: Convert to fraction form
    39,108.42/58,662.02 = 15,734.25/x
  3. Step 3: Cross multiply
    39,108.42x = 58,662.02 × 15,734.25
  4. Step 4: Simplify right side
    39,108.42x = 923,002,927.52
  5. Step 5: Solve for x
    x = 923,002,927.52/39,108.42
  6. Step 6: Final answer
    x = 23,601.13

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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.