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Finding the Fourth Proportional to 24,573.75, 33,911.79 and 13,395.75

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Solution

The fourth proportional to 24,573.75, 33,911.79 and 13,395.75 is: 18,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,573.75 : 33,911.79 = 13,395.75 : x
  2. Step 2: Convert to fraction form
    24,573.75/33,911.79 = 13,395.75/x
  3. Step 3: Cross multiply
    24,573.75x = 33,911.79 × 13,395.75
  4. Step 4: Simplify right side
    24,573.75x = 454,273,860.89
  5. Step 5: Solve for x
    x = 454,273,860.89/24,573.75
  6. Step 6: Final answer
    x = 18,486.14

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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.