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Finding the Fourth Proportional to 8,668.84, 13,003.90 and 2,513.32

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Solution

The fourth proportional to 8,668.84, 13,003.90 and 2,513.32 is: 3,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.84 : 13,003.90 = 2,513.32 : x
  2. Step 2: Convert to fraction form
    8,668.84/13,003.90 = 2,513.32/x
  3. Step 3: Cross multiply
    8,668.84x = 13,003.90 × 2,513.32
  4. Step 4: Simplify right side
    8,668.84x = 32,682,961.95
  5. Step 5: Solve for x
    x = 32,682,961.95/8,668.84
  6. Step 6: Final answer
    x = 3,770.17

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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.