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Finding the Fourth Proportional to 68,653.43, 102,901.05 and 26,514.93

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Solution

The fourth proportional to 68,653.43, 102,901.05 and 26,514.93 is: 39,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653.43 : 102,901.05 = 26,514.93 : x
  2. Step 2: Convert to fraction form
    68,653.43/102,901.05 = 26,514.93/x
  3. Step 3: Cross multiply
    68,653.43x = 102,901.05 × 26,514.93
  4. Step 4: Simplify right side
    68,653.43x = 2,728,414,137.68
  5. Step 5: Solve for x
    x = 2,728,414,137.68/68,653.43
  6. Step 6: Final answer
    x = 39,741.85

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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.