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Finding the Fourth Proportional to 25,668.57, 38,503.08 and 9,028.73

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Solution

The fourth proportional to 25,668.57, 38,503.08 and 9,028.73 is: 13,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.57 : 38,503.08 = 9,028.73 : x
  2. Step 2: Convert to fraction form
    25,668.57/38,503.08 = 9,028.73/x
  3. Step 3: Cross multiply
    25,668.57x = 38,503.08 × 9,028.73
  4. Step 4: Simplify right side
    25,668.57x = 347,633,913.49
  5. Step 5: Solve for x
    x = 347,633,913.49/25,668.57
  6. Step 6: Final answer
    x = 13,543.17

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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.