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Finding the Fourth Proportional to 33,663.72, 50,495.58 and 9,039.72

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Solution

The fourth proportional to 33,663.72, 50,495.58 and 9,039.72 is: 13,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,663.72 : 50,495.58 = 9,039.72 : x
  2. Step 2: Convert to fraction form
    33,663.72/50,495.58 = 9,039.72/x
  3. Step 3: Cross multiply
    33,663.72x = 50,495.58 × 9,039.72
  4. Step 4: Simplify right side
    33,663.72x = 456,465,904.44
  5. Step 5: Solve for x
    x = 456,465,904.44/33,663.72
  6. Step 6: Final answer
    x = 13,559.58

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Similar ratio
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1.5x scale

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.