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Finding the Fourth Proportional to 21,793.01, 32,695.71 and 11,268.76

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Solution

The fourth proportional to 21,793.01, 32,695.71 and 11,268.76 is: 16,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.01 : 32,695.71 = 11,268.76 : x
  2. Step 2: Convert to fraction form
    21,793.01/32,695.71 = 11,268.76/x
  3. Step 3: Cross multiply
    21,793.01x = 32,695.71 × 11,268.76
  4. Step 4: Simplify right side
    21,793.01x = 368,440,109.02
  5. Step 5: Solve for x
    x = 368,440,109.02/21,793.01
  6. Step 6: Final answer
    x = 16,906.34

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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.