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Finding the Fourth Proportional to 18,329.88, 25,295.34 and 9,946.44

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Solution

The fourth proportional to 18,329.88, 25,295.34 and 9,946.44 is: 13,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.88 : 25,295.34 = 9,946.44 : x
  2. Step 2: Convert to fraction form
    18,329.88/25,295.34 = 9,946.44/x
  3. Step 3: Cross multiply
    18,329.88x = 25,295.34 × 9,946.44
  4. Step 4: Simplify right side
    18,329.88x = 251,598,581.59
  5. Step 5: Solve for x
    x = 251,598,581.59/18,329.88
  6. Step 6: Final answer
    x = 13,726.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.