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Finding the Fourth Proportional to 17,561.70, 26,116.68 and 17,008.02

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Solution

The fourth proportional to 17,561.70, 26,116.68 and 17,008.02 is: 25,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.70 : 26,116.68 = 17,008.02 : x
  2. Step 2: Convert to fraction form
    17,561.70/26,116.68 = 17,008.02/x
  3. Step 3: Cross multiply
    17,561.70x = 26,116.68 × 17,008.02
  4. Step 4: Simplify right side
    17,561.70x = 444,193,015.77
  5. Step 5: Solve for x
    x = 444,193,015.77/17,561.70
  6. Step 6: Final answer
    x = 25,293.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.