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Finding the Fourth Proportional to 25,803.87, 35,624.12 and 19,742.96

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Solution

The fourth proportional to 25,803.87, 35,624.12 and 19,742.96 is: 27,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.87 : 35,624.12 = 19,742.96 : x
  2. Step 2: Convert to fraction form
    25,803.87/35,624.12 = 19,742.96/x
  3. Step 3: Cross multiply
    25,803.87x = 35,624.12 × 19,742.96
  4. Step 4: Simplify right side
    25,803.87x = 703,325,299.36
  5. Step 5: Solve for x
    x = 703,325,299.36/25,803.87
  6. Step 6: Final answer
    x = 27,256.58

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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.