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Finding the Fourth Proportional to 6,324.09, 8,728.95 and 3,670.95

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Solution

The fourth proportional to 6,324.09, 8,728.95 and 3,670.95 is: 5,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.09 : 8,728.95 = 3,670.95 : x
  2. Step 2: Convert to fraction form
    6,324.09/8,728.95 = 3,670.95/x
  3. Step 3: Cross multiply
    6,324.09x = 8,728.95 × 3,670.95
  4. Step 4: Simplify right side
    6,324.09x = 32,043,539.00
  5. Step 5: Solve for x
    x = 32,043,539.00/6,324.09
  6. Step 6: Final answer
    x = 5,066.90

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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.