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Finding the Fourth Proportional to 17,367.99, 26,051.91 and 4,220.40

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Solution

The fourth proportional to 17,367.99, 26,051.91 and 4,220.40 is: 6,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,367.99 : 26,051.91 = 4,220.40 : x
  2. Step 2: Convert to fraction form
    17,367.99/26,051.91 = 4,220.40/x
  3. Step 3: Cross multiply
    17,367.99x = 26,051.91 × 4,220.40
  4. Step 4: Simplify right side
    17,367.99x = 109,949,480.96
  5. Step 5: Solve for x
    x = 109,949,480.96/17,367.99
  6. Step 6: Final answer
    x = 6,330.58

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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.