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Finding the Fourth Proportional to 34,373.20, 51,535.20 and 13,295.20

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Solution

The fourth proportional to 34,373.20, 51,535.20 and 13,295.20 is: 19,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,373.20 : 51,535.20 = 13,295.20 : x
  2. Step 2: Convert to fraction form
    34,373.20/51,535.20 = 13,295.20/x
  3. Step 3: Cross multiply
    34,373.20x = 51,535.20 × 13,295.20
  4. Step 4: Simplify right side
    34,373.20x = 685,170,791.04
  5. Step 5: Solve for x
    x = 685,170,791.04/34,373.20
  6. Step 6: Final answer
    x = 19,933.28

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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.