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Finding the Fourth Proportional to 17,574.58, 26,359.08 and 8,221.09

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Solution

The fourth proportional to 17,574.58, 26,359.08 and 8,221.09 is: 12,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574.58 : 26,359.08 = 8,221.09 : x
  2. Step 2: Convert to fraction form
    17,574.58/26,359.08 = 8,221.09/x
  3. Step 3: Cross multiply
    17,574.58x = 26,359.08 × 8,221.09
  4. Step 4: Simplify right side
    17,574.58x = 216,700,369.00
  5. Step 5: Solve for x
    x = 216,700,369.00/17,574.58
  6. Step 6: Final answer
    x = 12,330.33

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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.