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Finding the Fourth Proportional to 6,234.64, 8,603.48 and 3,876.74

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Solution

The fourth proportional to 6,234.64, 8,603.48 and 3,876.74 is: 5,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.64 : 8,603.48 = 3,876.74 : x
  2. Step 2: Convert to fraction form
    6,234.64/8,603.48 = 3,876.74/x
  3. Step 3: Cross multiply
    6,234.64x = 8,603.48 × 3,876.74
  4. Step 4: Simplify right side
    6,234.64x = 33,353,455.06
  5. Step 5: Solve for x
    x = 33,353,455.06/6,234.64
  6. Step 6: Final answer
    x = 5,349.70

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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.