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Finding the Fourth Proportional to 8,808.93, 13,212.45 and 2,964.78

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Solution

The fourth proportional to 8,808.93, 13,212.45 and 2,964.78 is: 4,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.93 : 13,212.45 = 2,964.78 : x
  2. Step 2: Convert to fraction form
    8,808.93/13,212.45 = 2,964.78/x
  3. Step 3: Cross multiply
    8,808.93x = 13,212.45 × 2,964.78
  4. Step 4: Simplify right side
    8,808.93x = 39,172,007.51
  5. Step 5: Solve for x
    x = 39,172,007.51/8,808.93
  6. Step 6: Final answer
    x = 4,446.85

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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.