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Finding the Fourth Proportional to 26,885.97, 40,328.95 and 11,099.93

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Solution

The fourth proportional to 26,885.97, 40,328.95 and 11,099.93 is: 16,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.97 : 40,328.95 = 11,099.93 : x
  2. Step 2: Convert to fraction form
    26,885.97/40,328.95 = 11,099.93/x
  3. Step 3: Cross multiply
    26,885.97x = 40,328.95 × 11,099.93
  4. Step 4: Simplify right side
    26,885.97x = 447,648,292.58
  5. Step 5: Solve for x
    x = 447,648,292.58/26,885.97
  6. Step 6: Final answer
    x = 16,649.88

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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.