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Finding the Fourth Proportional to 6,129.66, 9,192.48 and 3,355.74

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Solution

The fourth proportional to 6,129.66, 9,192.48 and 3,355.74 is: 5,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.66 : 9,192.48 = 3,355.74 : x
  2. Step 2: Convert to fraction form
    6,129.66/9,192.48 = 3,355.74/x
  3. Step 3: Cross multiply
    6,129.66x = 9,192.48 × 3,355.74
  4. Step 4: Simplify right side
    6,129.66x = 30,847,572.84
  5. Step 5: Solve for x
    x = 30,847,572.84/6,129.66
  6. Step 6: Final answer
    x = 5,032.51

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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.