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Finding the Fourth Proportional to 8,447.58, 12,668.18 and 2,824.10

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Solution

The fourth proportional to 8,447.58, 12,668.18 and 2,824.10 is: 4,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.58 : 12,668.18 = 2,824.10 : x
  2. Step 2: Convert to fraction form
    8,447.58/12,668.18 = 2,824.10/x
  3. Step 3: Cross multiply
    8,447.58x = 12,668.18 × 2,824.10
  4. Step 4: Simplify right side
    8,447.58x = 35,776,207.14
  5. Step 5: Solve for x
    x = 35,776,207.14/8,447.58
  6. Step 6: Final answer
    x = 4,235.08

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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.