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Finding the Fourth Proportional to 5,799.48, 7,999.74 and 3,699.96

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Solution

The fourth proportional to 5,799.48, 7,999.74 and 3,699.96 is: 5,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.48 : 7,999.74 = 3,699.96 : x
  2. Step 2: Convert to fraction form
    5,799.48/7,999.74 = 3,699.96/x
  3. Step 3: Cross multiply
    5,799.48x = 7,999.74 × 3,699.96
  4. Step 4: Simplify right side
    5,799.48x = 29,598,718.01
  5. Step 5: Solve for x
    x = 29,598,718.01/5,799.48
  6. Step 6: Final answer
    x = 5,103.68

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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.