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Finding the Fourth Proportional to 17,095.19, 25,640.22 and 5,406.89

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Solution

The fourth proportional to 17,095.19, 25,640.22 and 5,406.89 is: 8,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095.19 : 25,640.22 = 5,406.89 : x
  2. Step 2: Convert to fraction form
    17,095.19/25,640.22 = 5,406.89/x
  3. Step 3: Cross multiply
    17,095.19x = 25,640.22 × 5,406.89
  4. Step 4: Simplify right side
    17,095.19x = 138,633,870.21
  5. Step 5: Solve for x
    x = 138,633,870.21/17,095.19
  6. Step 6: Final answer
    x = 8,109.52

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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.