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Finding the Fourth Proportional to 6,162.20, 8,502.98 and 3,509.48

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Solution

The fourth proportional to 6,162.20, 8,502.98 and 3,509.48 is: 4,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.20 : 8,502.98 = 3,509.48 : x
  2. Step 2: Convert to fraction form
    6,162.20/8,502.98 = 3,509.48/x
  3. Step 3: Cross multiply
    6,162.20x = 8,502.98 × 3,509.48
  4. Step 4: Simplify right side
    6,162.20x = 29,841,038.25
  5. Step 5: Solve for x
    x = 29,841,038.25/6,162.20
  6. Step 6: Final answer
    x = 4,842.59

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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.