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Finding the Fourth Proportional to 6,236.64, 8,602.74 and 4,248.09

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Solution

The fourth proportional to 6,236.64, 8,602.74 and 4,248.09 is: 5,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.64 : 8,602.74 = 4,248.09 : x
  2. Step 2: Convert to fraction form
    6,236.64/8,602.74 = 4,248.09/x
  3. Step 3: Cross multiply
    6,236.64x = 8,602.74 × 4,248.09
  4. Step 4: Simplify right side
    6,236.64x = 36,545,213.77
  5. Step 5: Solve for x
    x = 36,545,213.77/6,236.64
  6. Step 6: Final answer
    x = 5,859.76

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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.