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Finding the Fourth Proportional to 25,956.32, 38,965.32 and 21,847.46

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Solution

The fourth proportional to 25,956.32, 38,965.32 and 21,847.46 is: 32,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,956.32 : 38,965.32 = 21,847.46 : x
  2. Step 2: Convert to fraction form
    25,956.32/38,965.32 = 21,847.46/x
  3. Step 3: Cross multiply
    25,956.32x = 38,965.32 × 21,847.46
  4. Step 4: Simplify right side
    25,956.32x = 851,293,075.26
  5. Step 5: Solve for x
    x = 851,293,075.26/25,956.32
  6. Step 6: Final answer
    x = 32,797.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.