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Finding the Fourth Proportional to 21,334.88, 32,006.04 and 7,296.32

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Solution

The fourth proportional to 21,334.88, 32,006.04 and 7,296.32 is: 10,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.88 : 32,006.04 = 7,296.32 : x
  2. Step 2: Convert to fraction form
    21,334.88/32,006.04 = 7,296.32/x
  3. Step 3: Cross multiply
    21,334.88x = 32,006.04 × 7,296.32
  4. Step 4: Simplify right side
    21,334.88x = 233,526,149.74
  5. Step 5: Solve for x
    x = 233,526,149.74/21,334.88
  6. Step 6: Final answer
    x = 10,945.75

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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.