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Finding the Fourth Proportional to 6,684.59, 9,224.10 and 3,995.28

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Solution

The fourth proportional to 6,684.59, 9,224.10 and 3,995.28 is: 5,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.59 : 9,224.10 = 3,995.28 : x
  2. Step 2: Convert to fraction form
    6,684.59/9,224.10 = 3,995.28/x
  3. Step 3: Cross multiply
    6,684.59x = 9,224.10 × 3,995.28
  4. Step 4: Simplify right side
    6,684.59x = 36,852,862.25
  5. Step 5: Solve for x
    x = 36,852,862.25/6,684.59
  6. Step 6: Final answer
    x = 5,513.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.