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Finding the Fourth Proportional to 25,245.57, 34,839.03 and 14,641.49

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Solution

The fourth proportional to 25,245.57, 34,839.03 and 14,641.49 is: 20,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.57 : 34,839.03 = 14,641.49 : x
  2. Step 2: Convert to fraction form
    25,245.57/34,839.03 = 14,641.49/x
  3. Step 3: Cross multiply
    25,245.57x = 34,839.03 × 14,641.49
  4. Step 4: Simplify right side
    25,245.57x = 510,095,236.15
  5. Step 5: Solve for x
    x = 510,095,236.15/25,245.57
  6. Step 6: Final answer
    x = 20,205.34

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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.