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Finding the Fourth Proportional to 17,722.84, 26,633.08 and 9,409.08

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Solution

The fourth proportional to 17,722.84, 26,633.08 and 9,409.08 is: 14,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.84 : 26,633.08 = 9,409.08 : x
  2. Step 2: Convert to fraction form
    17,722.84/26,633.08 = 9,409.08/x
  3. Step 3: Cross multiply
    17,722.84x = 26,633.08 × 9,409.08
  4. Step 4: Simplify right side
    17,722.84x = 250,592,780.37
  5. Step 5: Solve for x
    x = 250,592,780.37/17,722.84
  6. Step 6: Final answer
    x = 14,139.54

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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.