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Finding the Fourth Proportional to 14,961.68, 20,650.01 and 8,592.02

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Solution

The fourth proportional to 14,961.68, 20,650.01 and 8,592.02 is: 11,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.68 : 20,650.01 = 8,592.02 : x
  2. Step 2: Convert to fraction form
    14,961.68/20,650.01 = 8,592.02/x
  3. Step 3: Cross multiply
    14,961.68x = 20,650.01 × 8,592.02
  4. Step 4: Simplify right side
    14,961.68x = 177,425,298.92
  5. Step 5: Solve for x
    x = 177,425,298.92/14,961.68
  6. Step 6: Final answer
    x = 11,858.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.