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Finding the Fourth Proportional to 18,573.36, 25,625.00 and 10,609.95

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Solution

The fourth proportional to 18,573.36, 25,625.00 and 10,609.95 is: 14,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.36 : 25,625.00 = 10,609.95 : x
  2. Step 2: Convert to fraction form
    18,573.36/25,625.00 = 10,609.95/x
  3. Step 3: Cross multiply
    18,573.36x = 25,625.00 × 10,609.95
  4. Step 4: Simplify right side
    18,573.36x = 271,879,915.70
  5. Step 5: Solve for x
    x = 271,879,915.70/18,573.36
  6. Step 6: Final answer
    x = 14,638.17

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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.