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Finding the Fourth Proportional to 21,335.93, 32,003.90 and 7,296.09

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Solution

The fourth proportional to 21,335.93, 32,003.90 and 7,296.09 is: 10,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.93 : 32,003.90 = 7,296.09 : x
  2. Step 2: Convert to fraction form
    21,335.93/32,003.90 = 7,296.09/x
  3. Step 3: Cross multiply
    21,335.93x = 32,003.90 × 7,296.09
  4. Step 4: Simplify right side
    21,335.93x = 233,503,334.75
  5. Step 5: Solve for x
    x = 233,503,334.75/21,335.93
  6. Step 6: Final answer
    x = 10,944.14

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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.