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Finding the Fourth Proportional to 8,749.44, 13,132.80 and 5,293.44

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Solution

The fourth proportional to 8,749.44, 13,132.80 and 5,293.44 is: 7,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.44 : 13,132.80 = 5,293.44 : x
  2. Step 2: Convert to fraction form
    8,749.44/13,132.80 = 5,293.44/x
  3. Step 3: Cross multiply
    8,749.44x = 13,132.80 × 5,293.44
  4. Step 4: Simplify right side
    8,749.44x = 69,517,688.83
  5. Step 5: Solve for x
    x = 69,517,688.83/8,749.44
  6. Step 6: Final answer
    x = 7,945.39

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1.5x scale

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.