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Finding the Fourth Proportional to 17,909.97, 24,714.56 and 9,843.45

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Solution

The fourth proportional to 17,909.97, 24,714.56 and 9,843.45 is: 13,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.97 : 24,714.56 = 9,843.45 : x
  2. Step 2: Convert to fraction form
    17,909.97/24,714.56 = 9,843.45/x
  3. Step 3: Cross multiply
    17,909.97x = 24,714.56 × 9,843.45
  4. Step 4: Simplify right side
    17,909.97x = 243,276,486.41
  5. Step 5: Solve for x
    x = 243,276,486.41/17,909.97
  6. Step 6: Final answer
    x = 13,583.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.