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Finding the Fourth Proportional to 6,119.92, 9,179.88 and 1,502.92

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Solution

The fourth proportional to 6,119.92, 9,179.88 and 1,502.92 is: 2,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.92 : 9,179.88 = 1,502.92 : x
  2. Step 2: Convert to fraction form
    6,119.92/9,179.88 = 1,502.92/x
  3. Step 3: Cross multiply
    6,119.92x = 9,179.88 × 1,502.92
  4. Step 4: Simplify right side
    6,119.92x = 13,796,625.25
  5. Step 5: Solve for x
    x = 13,796,625.25/6,119.92
  6. Step 6: Final answer
    x = 2,254.38

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Half scale
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Double scale
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Similar ratio
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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.