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Finding the Fourth Proportional to 5,352.48, 8,031.15 and 3,165.48

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Solution

The fourth proportional to 5,352.48, 8,031.15 and 3,165.48 is: 4,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.48 : 8,031.15 = 3,165.48 : x
  2. Step 2: Convert to fraction form
    5,352.48/8,031.15 = 3,165.48/x
  3. Step 3: Cross multiply
    5,352.48x = 8,031.15 × 3,165.48
  4. Step 4: Simplify right side
    5,352.48x = 25,422,444.70
  5. Step 5: Solve for x
    x = 25,422,444.70/5,352.48
  6. Step 6: Final answer
    x = 4,749.66

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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.