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Finding the Fourth Proportional to 19,773.68, 29,604.96 and 10,856.48

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Solution

The fourth proportional to 19,773.68, 29,604.96 and 10,856.48 is: 16,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.68 : 29,604.96 = 10,856.48 : x
  2. Step 2: Convert to fraction form
    19,773.68/29,604.96 = 10,856.48/x
  3. Step 3: Cross multiply
    19,773.68x = 29,604.96 × 10,856.48
  4. Step 4: Simplify right side
    19,773.68x = 321,405,656.14
  5. Step 5: Solve for x
    x = 321,405,656.14/19,773.68
  6. Step 6: Final answer
    x = 16,254.22

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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.