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Finding the Fourth Proportional to 17,235.88, 25,861.15 and 9,740.47

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Solution

The fourth proportional to 17,235.88, 25,861.15 and 9,740.47 is: 14,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.88 : 25,861.15 = 9,740.47 : x
  2. Step 2: Convert to fraction form
    17,235.88/25,861.15 = 9,740.47/x
  3. Step 3: Cross multiply
    17,235.88x = 25,861.15 × 9,740.47
  4. Step 4: Simplify right side
    17,235.88x = 251,899,755.74
  5. Step 5: Solve for x
    x = 251,899,755.74/17,235.88
  6. Step 6: Final answer
    x = 14,614.85

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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.