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Finding the Fourth Proportional to 6,236.91, 8,607.08 and 3,719.50

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Solution

The fourth proportional to 6,236.91, 8,607.08 and 3,719.50 is: 5,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.91 : 8,607.08 = 3,719.50 : x
  2. Step 2: Convert to fraction form
    6,236.91/8,607.08 = 3,719.50/x
  3. Step 3: Cross multiply
    6,236.91x = 8,607.08 × 3,719.50
  4. Step 4: Simplify right side
    6,236.91x = 32,014,034.06
  5. Step 5: Solve for x
    x = 32,014,034.06/6,236.91
  6. Step 6: Final answer
    x = 5,133.00

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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.