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Finding the Fourth Proportional to 26,043.66, 35,934.03 and 15,431.45

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Solution

The fourth proportional to 26,043.66, 35,934.03 and 15,431.45 is: 21,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,043.66 : 35,934.03 = 15,431.45 : x
  2. Step 2: Convert to fraction form
    26,043.66/35,934.03 = 15,431.45/x
  3. Step 3: Cross multiply
    26,043.66x = 35,934.03 × 15,431.45
  4. Step 4: Simplify right side
    26,043.66x = 554,514,007.57
  5. Step 5: Solve for x
    x = 554,514,007.57/26,043.66
  6. Step 6: Final answer
    x = 21,291.71

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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.