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Finding the Fourth Proportional to 21,333.62, 32,008.73 and 8,850.48

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Solution

The fourth proportional to 21,333.62, 32,008.73 and 8,850.48 is: 13,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.62 : 32,008.73 = 8,850.48 : x
  2. Step 2: Convert to fraction form
    21,333.62/32,008.73 = 8,850.48/x
  3. Step 3: Cross multiply
    21,333.62x = 32,008.73 × 8,850.48
  4. Step 4: Simplify right side
    21,333.62x = 283,292,580.44
  5. Step 5: Solve for x
    x = 283,292,580.44/21,333.62
  6. Step 6: Final answer
    x = 13,279.16

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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.