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Finding the Fourth Proportional to 6,034.50, 8,318.50 and 5,190.68

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Solution

The fourth proportional to 6,034.50, 8,318.50 and 5,190.68 is: 7,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,034.50 : 8,318.50 = 5,190.68 : x
  2. Step 2: Convert to fraction form
    6,034.50/8,318.50 = 5,190.68/x
  3. Step 3: Cross multiply
    6,034.50x = 8,318.50 × 5,190.68
  4. Step 4: Simplify right side
    6,034.50x = 43,178,679.40
  5. Step 5: Solve for x
    x = 43,178,679.40/6,034.50
  6. Step 6: Final answer
    x = 7,155.30

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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.