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Finding the Fourth Proportional to 18,885.88, 26,063.22 and 10,502.92

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Solution

The fourth proportional to 18,885.88, 26,063.22 and 10,502.92 is: 14,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.88 : 26,063.22 = 10,502.92 : x
  2. Step 2: Convert to fraction form
    18,885.88/26,063.22 = 10,502.92/x
  3. Step 3: Cross multiply
    18,885.88x = 26,063.22 × 10,502.92
  4. Step 4: Simplify right side
    18,885.88x = 273,739,914.60
  5. Step 5: Solve for x
    x = 273,739,914.60/18,885.88
  6. Step 6: Final answer
    x = 14,494.42

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Double scale
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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.