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Finding the Fourth Proportional to 19,668.84, 29,503.26 and 5,817.84

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Solution

The fourth proportional to 19,668.84, 29,503.26 and 5,817.84 is: 8,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.84 : 29,503.26 = 5,817.84 : x
  2. Step 2: Convert to fraction form
    19,668.84/29,503.26 = 5,817.84/x
  3. Step 3: Cross multiply
    19,668.84x = 29,503.26 × 5,817.84
  4. Step 4: Simplify right side
    19,668.84x = 171,645,246.16
  5. Step 5: Solve for x
    x = 171,645,246.16/19,668.84
  6. Step 6: Final answer
    x = 8,726.76

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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.