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Finding the Fourth Proportional to 25,481.29, 35,163 and 14,151.51

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Solution

The fourth proportional to 25,481.29, 35,163 and 14,151.51 is: 19,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.29 : 35,163 = 14,151.51 : x
  2. Step 2: Convert to fraction form
    25,481.29/35,163 = 14,151.51/x
  3. Step 3: Cross multiply
    25,481.29x = 35,163 × 14,151.51
  4. Step 4: Simplify right side
    25,481.29x = 497,609,546.13
  5. Step 5: Solve for x
    x = 497,609,546.13/25,481.29
  6. Step 6: Final answer
    x = 19,528.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.