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Finding the Fourth Proportional to 17,159.64, 25,738.82 and 6,215.64

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Solution

The fourth proportional to 17,159.64, 25,738.82 and 6,215.64 is: 9,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.64 : 25,738.82 = 6,215.64 : x
  2. Step 2: Convert to fraction form
    17,159.64/25,738.82 = 6,215.64/x
  3. Step 3: Cross multiply
    17,159.64x = 25,738.82 × 6,215.64
  4. Step 4: Simplify right side
    17,159.64x = 159,983,239.14
  5. Step 5: Solve for x
    x = 159,983,239.14/17,159.64
  6. Step 6: Final answer
    x = 9,323.23

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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.