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Finding the Fourth Proportional to 6,363.12, 9,544.68 and 1,980.84

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Solution

The fourth proportional to 6,363.12, 9,544.68 and 1,980.84 is: 2,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.12 : 9,544.68 = 1,980.84 : x
  2. Step 2: Convert to fraction form
    6,363.12/9,544.68 = 1,980.84/x
  3. Step 3: Cross multiply
    6,363.12x = 9,544.68 × 1,980.84
  4. Step 4: Simplify right side
    6,363.12x = 18,906,483.93
  5. Step 5: Solve for x
    x = 18,906,483.93/6,363.12
  6. Step 6: Final answer
    x = 2,971.26

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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.