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Finding the Fourth Proportional to 12,773.96, 19,160.94 and 3,539.96

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Solution

The fourth proportional to 12,773.96, 19,160.94 and 3,539.96 is: 5,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.96 : 19,160.94 = 3,539.96 : x
  2. Step 2: Convert to fraction form
    12,773.96/19,160.94 = 3,539.96/x
  3. Step 3: Cross multiply
    12,773.96x = 19,160.94 × 3,539.96
  4. Step 4: Simplify right side
    12,773.96x = 67,828,865.36
  5. Step 5: Solve for x
    x = 67,828,865.36/12,773.96
  6. Step 6: Final answer
    x = 5,309.93

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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.