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Finding the Fourth Proportional to 26,443, 36,489.18 and 15,825.52

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Solution

The fourth proportional to 26,443, 36,489.18 and 15,825.52 is: 21,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443 : 36,489.18 = 15,825.52 : x
  2. Step 2: Convert to fraction form
    26,443/36,489.18 = 15,825.52/x
  3. Step 3: Cross multiply
    26,443x = 36,489.18 × 15,825.52
  4. Step 4: Simplify right side
    26,443x = 577,460,247.87
  5. Step 5: Solve for x
    x = 577,460,247.87/26,443
  6. Step 6: Final answer
    x = 21,837.92

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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.