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Finding the Fourth Proportional to 33,315.44, 49,966.65 and 9,621.32

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Solution

The fourth proportional to 33,315.44, 49,966.65 and 9,621.32 is: 14,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.44 : 49,966.65 = 9,621.32 : x
  2. Step 2: Convert to fraction form
    33,315.44/49,966.65 = 9,621.32/x
  3. Step 3: Cross multiply
    33,315.44x = 49,966.65 × 9,621.32
  4. Step 4: Simplify right side
    33,315.44x = 480,744,879.14
  5. Step 5: Solve for x
    x = 480,744,879.14/33,315.44
  6. Step 6: Final answer
    x = 14,430.09

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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.