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Finding the Fourth Proportional to 25,481.98, 35,163.93 and 14,152.20

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Solution

The fourth proportional to 25,481.98, 35,163.93 and 14,152.20 is: 19,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.98 : 35,163.93 = 14,152.20 : x
  2. Step 2: Convert to fraction form
    25,481.98/35,163.93 = 14,152.20/x
  3. Step 3: Cross multiply
    25,481.98x = 35,163.93 × 14,152.20
  4. Step 4: Simplify right side
    25,481.98x = 497,646,970.15
  5. Step 5: Solve for x
    x = 497,646,970.15/25,481.98
  6. Step 6: Final answer
    x = 19,529.37

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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.