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Finding the Fourth Proportional to 3,525.66, 4,865.31 and 1,932.12

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Solution

The fourth proportional to 3,525.66, 4,865.31 and 1,932.12 is: 2,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.66 : 4,865.31 = 1,932.12 : x
  2. Step 2: Convert to fraction form
    3,525.66/4,865.31 = 1,932.12/x
  3. Step 3: Cross multiply
    3,525.66x = 4,865.31 × 1,932.12
  4. Step 4: Simplify right side
    3,525.66x = 9,400,362.76
  5. Step 5: Solve for x
    x = 9,400,362.76/3,525.66
  6. Step 6: Final answer
    x = 2,666.27

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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.