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Finding the Fourth Proportional to 5,054.66, 7,581.99 and 1,974.50

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Solution

The fourth proportional to 5,054.66, 7,581.99 and 1,974.50 is: 2,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.66 : 7,581.99 = 1,974.50 : x
  2. Step 2: Convert to fraction form
    5,054.66/7,581.99 = 1,974.50/x
  3. Step 3: Cross multiply
    5,054.66x = 7,581.99 × 1,974.50
  4. Step 4: Simplify right side
    5,054.66x = 14,970,639.26
  5. Step 5: Solve for x
    x = 14,970,639.26/5,054.66
  6. Step 6: Final answer
    x = 2,961.75

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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.