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Finding the Fourth Proportional to 17,367.76, 26,051.52 and 4,220.20

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Solution

The fourth proportional to 17,367.76, 26,051.52 and 4,220.20 is: 6,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,367.76 : 26,051.52 = 4,220.20 : x
  2. Step 2: Convert to fraction form
    17,367.76/26,051.52 = 4,220.20/x
  3. Step 3: Cross multiply
    17,367.76x = 26,051.52 × 4,220.20
  4. Step 4: Simplify right side
    17,367.76x = 109,942,624.70
  5. Step 5: Solve for x
    x = 109,942,624.70/17,367.76
  6. Step 6: Final answer
    x = 6,330.27

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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.