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Finding the Fourth Proportional to 25,539.74, 35,245.15 and 14,361.74

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Solution

The fourth proportional to 25,539.74, 35,245.15 and 14,361.74 is: 19,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.74 : 35,245.15 = 14,361.74 : x
  2. Step 2: Convert to fraction form
    25,539.74/35,245.15 = 14,361.74/x
  3. Step 3: Cross multiply
    25,539.74x = 35,245.15 × 14,361.74
  4. Step 4: Simplify right side
    25,539.74x = 506,181,468.43
  5. Step 5: Solve for x
    x = 506,181,468.43/25,539.74
  6. Step 6: Final answer
    x = 19,819.37

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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.