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Finding the Fourth Proportional to 21,796.62, 32,714.97 and 16,897.74

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Solution

The fourth proportional to 21,796.62, 32,714.97 and 16,897.74 is: 25,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796.62 : 32,714.97 = 16,897.74 : x
  2. Step 2: Convert to fraction form
    21,796.62/32,714.97 = 16,897.74/x
  3. Step 3: Cross multiply
    21,796.62x = 32,714.97 × 16,897.74
  4. Step 4: Simplify right side
    21,796.62x = 552,809,057.17
  5. Step 5: Solve for x
    x = 552,809,057.17/21,796.62
  6. Step 6: Final answer
    x = 25,362.15

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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.