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Finding the Fourth Proportional to 30,296, 41,809.02 and 17,720.48

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Solution

The fourth proportional to 30,296, 41,809.02 and 17,720.48 is: 24,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296 : 41,809.02 = 17,720.48 : x
  2. Step 2: Convert to fraction form
    30,296/41,809.02 = 17,720.48/x
  3. Step 3: Cross multiply
    30,296x = 41,809.02 × 17,720.48
  4. Step 4: Simplify right side
    30,296x = 740,875,902.73
  5. Step 5: Solve for x
    x = 740,875,902.73/30,296
  6. Step 6: Final answer
    x = 24,454.58

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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.