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Finding the Fourth Proportional to 33,618, 50,426.98 and 9,925.86

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Solution

The fourth proportional to 33,618, 50,426.98 and 9,925.86 is: 14,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618 : 50,426.98 = 9,925.86 : x
  2. Step 2: Convert to fraction form
    33,618/50,426.98 = 9,925.86/x
  3. Step 3: Cross multiply
    33,618x = 50,426.98 × 9,925.86
  4. Step 4: Simplify right side
    33,618x = 500,531,143.70
  5. Step 5: Solve for x
    x = 500,531,143.70/33,618
  6. Step 6: Final answer
    x = 14,888.78

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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.