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Finding the Fourth Proportional to 3,366.92, 4,646.92 and 2,485.28

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Solution

The fourth proportional to 3,366.92, 4,646.92 and 2,485.28 is: 3,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.92 : 4,646.92 = 2,485.28 : x
  2. Step 2: Convert to fraction form
    3,366.92/4,646.92 = 2,485.28/x
  3. Step 3: Cross multiply
    3,366.92x = 4,646.92 × 2,485.28
  4. Step 4: Simplify right side
    3,366.92x = 11,548,907.40
  5. Step 5: Solve for x
    x = 11,548,907.40/3,366.92
  6. Step 6: Final answer
    x = 3,430.11

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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.