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Finding the Fourth Proportional to 8,069.64, 11,135.80 and 4,484.82

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Solution

The fourth proportional to 8,069.64, 11,135.80 and 4,484.82 is: 6,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.64 : 11,135.80 = 4,484.82 : x
  2. Step 2: Convert to fraction form
    8,069.64/11,135.80 = 4,484.82/x
  3. Step 3: Cross multiply
    8,069.64x = 11,135.80 × 4,484.82
  4. Step 4: Simplify right side
    8,069.64x = 49,942,069.77
  5. Step 5: Solve for x
    x = 49,942,069.77/8,069.64
  6. Step 6: Final answer
    x = 6,188.89

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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.