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Finding the Fourth Proportional to 13,295.52, 18,347.87 and 7,327.73

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Solution

The fourth proportional to 13,295.52, 18,347.87 and 7,327.73 is: 10,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.52 : 18,347.87 = 7,327.73 : x
  2. Step 2: Convert to fraction form
    13,295.52/18,347.87 = 7,327.73/x
  3. Step 3: Cross multiply
    13,295.52x = 18,347.87 × 7,327.73
  4. Step 4: Simplify right side
    13,295.52x = 134,448,301.62
  5. Step 5: Solve for x
    x = 134,448,301.62/13,295.52
  6. Step 6: Final answer
    x = 10,112.30

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1.5x scale

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.