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Finding the Fourth Proportional to 25,660.99, 35,401.93 and 16,705.22

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Solution

The fourth proportional to 25,660.99, 35,401.93 and 16,705.22 is: 23,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.99 : 35,401.93 = 16,705.22 : x
  2. Step 2: Convert to fraction form
    25,660.99/35,401.93 = 16,705.22/x
  3. Step 3: Cross multiply
    25,660.99x = 35,401.93 × 16,705.22
  4. Step 4: Simplify right side
    25,660.99x = 591,397,009.44
  5. Step 5: Solve for x
    x = 591,397,009.44/25,660.99
  6. Step 6: Final answer
    x = 23,046.54

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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.