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Finding the Fourth Proportional to 13,792.25, 19,033.71 and 7,505.03

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Solution

The fourth proportional to 13,792.25, 19,033.71 and 7,505.03 is: 10,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.25 : 19,033.71 = 7,505.03 : x
  2. Step 2: Convert to fraction form
    13,792.25/19,033.71 = 7,505.03/x
  3. Step 3: Cross multiply
    13,792.25x = 19,033.71 × 7,505.03
  4. Step 4: Simplify right side
    13,792.25x = 142,848,564.56
  5. Step 5: Solve for x
    x = 142,848,564.56/13,792.25
  6. Step 6: Final answer
    x = 10,357.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.