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Finding the Fourth Proportional to 25,706.02, 35,494.41 and 19,728.22

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Solution

The fourth proportional to 25,706.02, 35,494.41 and 19,728.22 is: 27,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.02 : 35,494.41 = 19,728.22 : x
  2. Step 2: Convert to fraction form
    25,706.02/35,494.41 = 19,728.22/x
  3. Step 3: Cross multiply
    25,706.02x = 35,494.41 × 19,728.22
  4. Step 4: Simplify right side
    25,706.02x = 700,241,529.25
  5. Step 5: Solve for x
    x = 700,241,529.25/25,706.02
  6. Step 6: Final answer
    x = 27,240.37

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Similar ratio
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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.