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Finding the Fourth Proportional to 25,655.44, 35,410.41 and 15,048.49

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Solution

The fourth proportional to 25,655.44, 35,410.41 and 15,048.49 is: 20,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.44 : 35,410.41 = 15,048.49 : x
  2. Step 2: Convert to fraction form
    25,655.44/35,410.41 = 15,048.49/x
  3. Step 3: Cross multiply
    25,655.44x = 35,410.41 × 15,048.49
  4. Step 4: Simplify right side
    25,655.44x = 532,873,200.78
  5. Step 5: Solve for x
    x = 532,873,200.78/25,655.44
  6. Step 6: Final answer
    x = 20,770.38

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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.