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Finding the Fourth Proportional to 29,514.84, 40,730.22 and 16,939.68

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Solution

The fourth proportional to 29,514.84, 40,730.22 and 16,939.68 is: 23,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,514.84 : 40,730.22 = 16,939.68 : x
  2. Step 2: Convert to fraction form
    29,514.84/40,730.22 = 16,939.68/x
  3. Step 3: Cross multiply
    29,514.84x = 40,730.22 × 16,939.68
  4. Step 4: Simplify right side
    29,514.84x = 689,956,893.13
  5. Step 5: Solve for x
    x = 689,956,893.13/29,514.84
  6. Step 6: Final answer
    x = 23,376.61

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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.