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Finding the Fourth Proportional to 5,999.80, 8,279.76 and 3,347.38

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Solution

The fourth proportional to 5,999.80, 8,279.76 and 3,347.38 is: 4,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.80 : 8,279.76 = 3,347.38 : x
  2. Step 2: Convert to fraction form
    5,999.80/8,279.76 = 3,347.38/x
  3. Step 3: Cross multiply
    5,999.80x = 8,279.76 × 3,347.38
  4. Step 4: Simplify right side
    5,999.80x = 27,715,503.03
  5. Step 5: Solve for x
    x = 27,715,503.03/5,999.80
  6. Step 6: Final answer
    x = 4,619.40

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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.