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Finding the Fourth Proportional to 25,995.96, 35,841.87 and 21,695.22

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Solution

The fourth proportional to 25,995.96, 35,841.87 and 21,695.22 is: 29,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.96 : 35,841.87 = 21,695.22 : x
  2. Step 2: Convert to fraction form
    25,995.96/35,841.87 = 21,695.22/x
  3. Step 3: Cross multiply
    25,995.96x = 35,841.87 × 21,695.22
  4. Step 4: Simplify right side
    25,995.96x = 777,597,254.86
  5. Step 5: Solve for x
    x = 777,597,254.86/25,995.96
  6. Step 6: Final answer
    x = 29,912.23

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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.