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Finding the Fourth Proportional to 25,999.84, 35,879.81 and 14,063.20

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Solution

The fourth proportional to 25,999.84, 35,879.81 and 14,063.20 is: 19,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.84 : 35,879.81 = 14,063.20 : x
  2. Step 2: Convert to fraction form
    25,999.84/35,879.81 = 14,063.20/x
  3. Step 3: Cross multiply
    25,999.84x = 35,879.81 × 14,063.20
  4. Step 4: Simplify right side
    25,999.84x = 504,584,694.28
  5. Step 5: Solve for x
    x = 504,584,694.28/25,999.84
  6. Step 6: Final answer
    x = 19,407.22

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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.