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Finding the Fourth Proportional to 3,525.90, 4,865.67 and 1,953.96

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Solution

The fourth proportional to 3,525.90, 4,865.67 and 1,953.96 is: 2,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.90 : 4,865.67 = 1,953.96 : x
  2. Step 2: Convert to fraction form
    3,525.90/4,865.67 = 1,953.96/x
  3. Step 3: Cross multiply
    3,525.90x = 4,865.67 × 1,953.96
  4. Step 4: Simplify right side
    3,525.90x = 9,507,324.55
  5. Step 5: Solve for x
    x = 9,507,324.55/3,525.90
  6. Step 6: Final answer
    x = 2,696.42

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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.