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Finding the Fourth Proportional to 57,402.62, 86,103.81 and 15,849.50

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Solution

The fourth proportional to 57,402.62, 86,103.81 and 15,849.50 is: 23,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.62 : 86,103.81 = 15,849.50 : x
  2. Step 2: Convert to fraction form
    57,402.62/86,103.81 = 15,849.50/x
  3. Step 3: Cross multiply
    57,402.62x = 86,103.81 × 15,849.50
  4. Step 4: Simplify right side
    57,402.62x = 1,364,702,336.60
  5. Step 5: Solve for x
    x = 1,364,702,336.60/57,402.62
  6. Step 6: Final answer
    x = 23,774.22

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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.