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Finding the Fourth Proportional to 5,999.76, 8,279.72 and 3,347.28

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Solution

The fourth proportional to 5,999.76, 8,279.72 and 3,347.28 is: 4,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.76 : 8,279.72 = 3,347.28 : x
  2. Step 2: Convert to fraction form
    5,999.76/8,279.72 = 3,347.28/x
  3. Step 3: Cross multiply
    5,999.76x = 8,279.72 × 3,347.28
  4. Step 4: Simplify right side
    5,999.76x = 27,714,541.16
  5. Step 5: Solve for x
    x = 27,714,541.16/5,999.76
  6. Step 6: Final answer
    x = 4,619.27

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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.