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Finding the Fourth Proportional to 15,656.96, 23,468.96 and 5,789.92

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Solution

The fourth proportional to 15,656.96, 23,468.96 and 5,789.92 is: 8,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.96 : 23,468.96 = 5,789.92 : x
  2. Step 2: Convert to fraction form
    15,656.96/23,468.96 = 5,789.92/x
  3. Step 3: Cross multiply
    15,656.96x = 23,468.96 × 5,789.92
  4. Step 4: Simplify right side
    15,656.96x = 135,883,400.88
  5. Step 5: Solve for x
    x = 135,883,400.88/15,656.96
  6. Step 6: Final answer
    x = 8,678.79

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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.