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Finding the Fourth Proportional to 22,290.53, 33,428.50 and 7,495.48

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Solution

The fourth proportional to 22,290.53, 33,428.50 and 7,495.48 is: 11,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.53 : 33,428.50 = 7,495.48 : x
  2. Step 2: Convert to fraction form
    22,290.53/33,428.50 = 7,495.48/x
  3. Step 3: Cross multiply
    22,290.53x = 33,428.50 × 7,495.48
  4. Step 4: Simplify right side
    22,290.53x = 250,562,653.18
  5. Step 5: Solve for x
    x = 250,562,653.18/22,290.53
  6. Step 6: Final answer
    x = 11,240.77

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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.