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Finding the Fourth Proportional to 23,902.86, 35,856.64 and 8,709.56

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Solution

The fourth proportional to 23,902.86, 35,856.64 and 8,709.56 is: 13,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,902.86 : 35,856.64 = 8,709.56 : x
  2. Step 2: Convert to fraction form
    23,902.86/35,856.64 = 8,709.56/x
  3. Step 3: Cross multiply
    23,902.86x = 35,856.64 × 8,709.56
  4. Step 4: Simplify right side
    23,902.86x = 312,295,557.48
  5. Step 5: Solve for x
    x = 312,295,557.48/23,902.86
  6. Step 6: Final answer
    x = 13,065.20

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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.