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Finding the Fourth Proportional to 17,271.97, 25,886.99 and 7,898.85

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Solution

The fourth proportional to 17,271.97, 25,886.99 and 7,898.85 is: 11,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.97 : 25,886.99 = 7,898.85 : x
  2. Step 2: Convert to fraction form
    17,271.97/25,886.99 = 7,898.85/x
  3. Step 3: Cross multiply
    17,271.97x = 25,886.99 × 7,898.85
  4. Step 4: Simplify right side
    17,271.97x = 204,477,470.71
  5. Step 5: Solve for x
    x = 204,477,470.71/17,271.97
  6. Step 6: Final answer
    x = 11,838.69

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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.