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Finding the Fourth Proportional to 17,300.88, 25,930.64 and 9,910.40

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Solution

The fourth proportional to 17,300.88, 25,930.64 and 9,910.40 is: 14,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,300.88 : 25,930.64 = 9,910.40 : x
  2. Step 2: Convert to fraction form
    17,300.88/25,930.64 = 9,910.40/x
  3. Step 3: Cross multiply
    17,300.88x = 25,930.64 × 9,910.40
  4. Step 4: Simplify right side
    17,300.88x = 256,983,014.66
  5. Step 5: Solve for x
    x = 256,983,014.66/17,300.88
  6. Step 6: Final answer
    x = 14,853.75

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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.