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Finding the Fourth Proportional to 12,446.01, 18,668.97 and 5,868.63

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Solution

The fourth proportional to 12,446.01, 18,668.97 and 5,868.63 is: 8,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.01 : 18,668.97 = 5,868.63 : x
  2. Step 2: Convert to fraction form
    12,446.01/18,668.97 = 5,868.63/x
  3. Step 3: Cross multiply
    12,446.01x = 18,668.97 × 5,868.63
  4. Step 4: Simplify right side
    12,446.01x = 109,561,277.41
  5. Step 5: Solve for x
    x = 109,561,277.41/12,446.01
  6. Step 6: Final answer
    x = 8,802.92

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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.