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Finding the Fourth Proportional to 33,699.50, 50,529.80 and 14,979.50

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Solution

The fourth proportional to 33,699.50, 50,529.80 and 14,979.50 is: 22,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,699.50 : 50,529.80 = 14,979.50 : x
  2. Step 2: Convert to fraction form
    33,699.50/50,529.80 = 14,979.50/x
  3. Step 3: Cross multiply
    33,699.50x = 50,529.80 × 14,979.50
  4. Step 4: Simplify right side
    33,699.50x = 756,911,139.10
  5. Step 5: Solve for x
    x = 756,911,139.10/33,699.50
  6. Step 6: Final answer
    x = 22,460.60

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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.