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Finding the Fourth Proportional to 21,773.59, 32,633.07 and 11,777.94

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Solution

The fourth proportional to 21,773.59, 32,633.07 and 11,777.94 is: 17,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,773.59 : 32,633.07 = 11,777.94 : x
  2. Step 2: Convert to fraction form
    21,773.59/32,633.07 = 11,777.94/x
  3. Step 3: Cross multiply
    21,773.59x = 32,633.07 × 11,777.94
  4. Step 4: Simplify right side
    21,773.59x = 384,350,340.48
  5. Step 5: Solve for x
    x = 384,350,340.48/21,773.59
  6. Step 6: Final answer
    x = 17,652.13

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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.