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Finding the Fourth Proportional to 26,806.64, 36,984.74 and 17,855.60

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Solution

The fourth proportional to 26,806.64, 36,984.74 and 17,855.60 is: 24,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.64 : 36,984.74 = 17,855.60 : x
  2. Step 2: Convert to fraction form
    26,806.64/36,984.74 = 17,855.60/x
  3. Step 3: Cross multiply
    26,806.64x = 36,984.74 × 17,855.60
  4. Step 4: Simplify right side
    26,806.64x = 660,384,449.34
  5. Step 5: Solve for x
    x = 660,384,449.34/26,806.64
  6. Step 6: Final answer
    x = 24,635.11

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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.