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Finding the Fourth Proportional to 24,489.15, 33,814.04 and 18,814.92

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Solution

The fourth proportional to 24,489.15, 33,814.04 and 18,814.92 is: 25,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.15 : 33,814.04 = 18,814.92 : x
  2. Step 2: Convert to fraction form
    24,489.15/33,814.04 = 18,814.92/x
  3. Step 3: Cross multiply
    24,489.15x = 33,814.04 × 18,814.92
  4. Step 4: Simplify right side
    24,489.15x = 636,208,363.40
  5. Step 5: Solve for x
    x = 636,208,363.40/24,489.15
  6. Step 6: Final answer
    x = 25,979.19

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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.