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Finding the Fourth Proportional to 17,842.47, 26,755.95 and 9,520.63

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Solution

The fourth proportional to 17,842.47, 26,755.95 and 9,520.63 is: 14,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.47 : 26,755.95 = 9,520.63 : x
  2. Step 2: Convert to fraction form
    17,842.47/26,755.95 = 9,520.63/x
  3. Step 3: Cross multiply
    17,842.47x = 26,755.95 × 9,520.63
  4. Step 4: Simplify right side
    17,842.47x = 254,733,500.25
  5. Step 5: Solve for x
    x = 254,733,500.25/17,842.47
  6. Step 6: Final answer
    x = 14,276.81

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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.