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Finding the Fourth Proportional to 13,791.65, 19,032.48 and 7,504.02

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Solution

The fourth proportional to 13,791.65, 19,032.48 and 7,504.02 is: 10,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.65 : 19,032.48 = 7,504.02 : x
  2. Step 2: Convert to fraction form
    13,791.65/19,032.48 = 7,504.02/x
  3. Step 3: Cross multiply
    13,791.65x = 19,032.48 × 7,504.02
  4. Step 4: Simplify right side
    13,791.65x = 142,820,110.57
  5. Step 5: Solve for x
    x = 142,820,110.57/13,791.65
  6. Step 6: Final answer
    x = 10,355.55

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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.