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Finding the Fourth Proportional to 6,305.22, 8,699.15 and 3,652.11

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Solution

The fourth proportional to 6,305.22, 8,699.15 and 3,652.11 is: 5,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.22 : 8,699.15 = 3,652.11 : x
  2. Step 2: Convert to fraction form
    6,305.22/8,699.15 = 3,652.11/x
  3. Step 3: Cross multiply
    6,305.22x = 8,699.15 × 3,652.11
  4. Step 4: Simplify right side
    6,305.22x = 31,770,261.84
  5. Step 5: Solve for x
    x = 31,770,261.84/6,305.22
  6. Step 6: Final answer
    x = 5,038.72

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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.