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Finding the Fourth Proportional to 6,238.85, 8,602.62 and 4,250.57

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Solution

The fourth proportional to 6,238.85, 8,602.62 and 4,250.57 is: 5,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.85 : 8,602.62 = 4,250.57 : x
  2. Step 2: Convert to fraction form
    6,238.85/8,602.62 = 4,250.57/x
  3. Step 3: Cross multiply
    6,238.85x = 8,602.62 × 4,250.57
  4. Step 4: Simplify right side
    6,238.85x = 36,566,038.49
  5. Step 5: Solve for x
    x = 36,566,038.49/6,238.85
  6. Step 6: Final answer
    x = 5,861.02

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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.