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Finding the Fourth Proportional to 25,708.44, 35,479.44 and 14,381.67

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Solution

The fourth proportional to 25,708.44, 35,479.44 and 14,381.67 is: 19,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.44 : 35,479.44 = 14,381.67 : x
  2. Step 2: Convert to fraction form
    25,708.44/35,479.44 = 14,381.67/x
  3. Step 3: Cross multiply
    25,708.44x = 35,479.44 × 14,381.67
  4. Step 4: Simplify right side
    25,708.44x = 510,253,597.86
  5. Step 5: Solve for x
    x = 510,253,597.86/25,708.44
  6. Step 6: Final answer
    x = 19,847.71

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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.