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Finding the Fourth Proportional to 8,811.05, 13,204.82 and 4,650.08

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Solution

The fourth proportional to 8,811.05, 13,204.82 and 4,650.08 is: 6,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.05 : 13,204.82 = 4,650.08 : x
  2. Step 2: Convert to fraction form
    8,811.05/13,204.82 = 4,650.08/x
  3. Step 3: Cross multiply
    8,811.05x = 13,204.82 × 4,650.08
  4. Step 4: Simplify right side
    8,811.05x = 61,403,414.99
  5. Step 5: Solve for x
    x = 61,403,414.99/8,811.05
  6. Step 6: Final answer
    x = 6,968.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.