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Finding the Fourth Proportional to 5,999.55, 8,279.78 and 3,346.93

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Solution

The fourth proportional to 5,999.55, 8,279.78 and 3,346.93 is: 4,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.55 : 8,279.78 = 3,346.93 : x
  2. Step 2: Convert to fraction form
    5,999.55/8,279.78 = 3,346.93/x
  3. Step 3: Cross multiply
    5,999.55x = 8,279.78 × 3,346.93
  4. Step 4: Simplify right side
    5,999.55x = 27,711,844.08
  5. Step 5: Solve for x
    x = 27,711,844.08/5,999.55
  6. Step 6: Final answer
    x = 4,618.99

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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.