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Finding the Fourth Proportional to 17,251.34, 25,886.99 and 7,255.31

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Solution

The fourth proportional to 17,251.34, 25,886.99 and 7,255.31 is: 10,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.34 : 25,886.99 = 7,255.31 : x
  2. Step 2: Convert to fraction form
    17,251.34/25,886.99 = 7,255.31/x
  3. Step 3: Cross multiply
    17,251.34x = 25,886.99 × 7,255.31
  4. Step 4: Simplify right side
    17,251.34x = 187,817,971.71
  5. Step 5: Solve for x
    x = 187,817,971.71/17,251.34
  6. Step 6: Final answer
    x = 10,887.16

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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.