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Finding the Fourth Proportional to 17,851.92, 24,635.84 and 9,894.28

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Solution

The fourth proportional to 17,851.92, 24,635.84 and 9,894.28 is: 13,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.92 : 24,635.84 = 9,894.28 : x
  2. Step 2: Convert to fraction form
    17,851.92/24,635.84 = 9,894.28/x
  3. Step 3: Cross multiply
    17,851.92x = 24,635.84 × 9,894.28
  4. Step 4: Simplify right side
    17,851.92x = 243,753,899.00
  5. Step 5: Solve for x
    x = 243,753,899.00/17,851.92
  6. Step 6: Final answer
    x = 13,654.21

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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.