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Finding the Fourth Proportional to 8,808.69, 13,215.02 and 2,965.13

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Solution

The fourth proportional to 8,808.69, 13,215.02 and 2,965.13 is: 4,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.69 : 13,215.02 = 2,965.13 : x
  2. Step 2: Convert to fraction form
    8,808.69/13,215.02 = 2,965.13/x
  3. Step 3: Cross multiply
    8,808.69x = 13,215.02 × 2,965.13
  4. Step 4: Simplify right side
    8,808.69x = 39,184,252.25
  5. Step 5: Solve for x
    x = 39,184,252.25/8,808.69
  6. Step 6: Final answer
    x = 4,448.36

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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.