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Finding the Fourth Proportional to 3,525.28, 4,865.28 and 1,953.76

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Solution

The fourth proportional to 3,525.28, 4,865.28 and 1,953.76 is: 2,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.28 : 4,865.28 = 1,953.76 : x
  2. Step 2: Convert to fraction form
    3,525.28/4,865.28 = 1,953.76/x
  3. Step 3: Cross multiply
    3,525.28x = 4,865.28 × 1,953.76
  4. Step 4: Simplify right side
    3,525.28x = 9,505,589.45
  5. Step 5: Solve for x
    x = 9,505,589.45/3,525.28
  6. Step 6: Final answer
    x = 2,696.41

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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.