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Finding the Fourth Proportional to 26,822.60, 40,233.90 and 17,005.40

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Solution

The fourth proportional to 26,822.60, 40,233.90 and 17,005.40 is: 25,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.60 : 40,233.90 = 17,005.40 : x
  2. Step 2: Convert to fraction form
    26,822.60/40,233.90 = 17,005.40/x
  3. Step 3: Cross multiply
    26,822.60x = 40,233.90 × 17,005.40
  4. Step 4: Simplify right side
    26,822.60x = 684,193,563.06
  5. Step 5: Solve for x
    x = 684,193,563.06/26,822.60
  6. Step 6: Final answer
    x = 25,508.10

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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.