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Finding the Fourth Proportional to 17,873.28, 24,665.10 and 9,917.10

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Solution

The fourth proportional to 17,873.28, 24,665.10 and 9,917.10 is: 13,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.28 : 24,665.10 = 9,917.10 : x
  2. Step 2: Convert to fraction form
    17,873.28/24,665.10 = 9,917.10/x
  3. Step 3: Cross multiply
    17,873.28x = 24,665.10 × 9,917.10
  4. Step 4: Simplify right side
    17,873.28x = 244,606,263.21
  5. Step 5: Solve for x
    x = 244,606,263.21/17,873.28
  6. Step 6: Final answer
    x = 13,685.58

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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.