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Finding the Fourth Proportional to 5,199.98, 7,799.98 and 1,502.22

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Solution

The fourth proportional to 5,199.98, 7,799.98 and 1,502.22 is: 2,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.98 : 7,799.98 = 1,502.22 : x
  2. Step 2: Convert to fraction form
    5,199.98/7,799.98 = 1,502.22/x
  3. Step 3: Cross multiply
    5,199.98x = 7,799.98 × 1,502.22
  4. Step 4: Simplify right side
    5,199.98x = 11,717,285.96
  5. Step 5: Solve for x
    x = 11,717,285.96/5,199.98
  6. Step 6: Final answer
    x = 2,253.33

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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.