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Finding the Fourth Proportional to 26,837.92, 40,256.90 and 9,307.76

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Solution

The fourth proportional to 26,837.92, 40,256.90 and 9,307.76 is: 13,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.92 : 40,256.90 = 9,307.76 : x
  2. Step 2: Convert to fraction form
    26,837.92/40,256.90 = 9,307.76/x
  3. Step 3: Cross multiply
    26,837.92x = 40,256.90 × 9,307.76
  4. Step 4: Simplify right side
    26,837.92x = 374,701,563.54
  5. Step 5: Solve for x
    x = 374,701,563.54/26,837.92
  6. Step 6: Final answer
    x = 13,961.65

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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.