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Finding the Fourth Proportional to 26,673.30, 40,023.90 and 17,311.10

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Solution

The fourth proportional to 26,673.30, 40,023.90 and 17,311.10 is: 25,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.30 : 40,023.90 = 17,311.10 : x
  2. Step 2: Convert to fraction form
    26,673.30/40,023.90 = 17,311.10/x
  3. Step 3: Cross multiply
    26,673.30x = 40,023.90 × 17,311.10
  4. Step 4: Simplify right side
    26,673.30x = 692,857,735.29
  5. Step 5: Solve for x
    x = 692,857,735.29/26,673.30
  6. Step 6: Final answer
    x = 25,975.70

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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.