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Finding the Fourth Proportional to 26,489.55, 39,734.23 and 6,768.08

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Solution

The fourth proportional to 26,489.55, 39,734.23 and 6,768.08 is: 10,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.55 : 39,734.23 = 6,768.08 : x
  2. Step 2: Convert to fraction form
    26,489.55/39,734.23 = 6,768.08/x
  3. Step 3: Cross multiply
    26,489.55x = 39,734.23 × 6,768.08
  4. Step 4: Simplify right side
    26,489.55x = 268,924,447.38
  5. Step 5: Solve for x
    x = 268,924,447.38/26,489.55
  6. Step 6: Final answer
    x = 10,152.10

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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.