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Finding the Fourth Proportional to 26,024.40, 38,939.40 and 17,276.40

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Solution

The fourth proportional to 26,024.40, 38,939.40 and 17,276.40 is: 25,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,024.40 : 38,939.40 = 17,276.40 : x
  2. Step 2: Convert to fraction form
    26,024.40/38,939.40 = 17,276.40/x
  3. Step 3: Cross multiply
    26,024.40x = 38,939.40 × 17,276.40
  4. Step 4: Simplify right side
    26,024.40x = 672,732,650.16
  5. Step 5: Solve for x
    x = 672,732,650.16/26,024.40
  6. Step 6: Final answer
    x = 25,850.07

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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.