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Finding the Fourth Proportional to 3,281.65, 4,923.19 and 1,525.37

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Solution

The fourth proportional to 3,281.65, 4,923.19 and 1,525.37 is: 2,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.65 : 4,923.19 = 1,525.37 : x
  2. Step 2: Convert to fraction form
    3,281.65/4,923.19 = 1,525.37/x
  3. Step 3: Cross multiply
    3,281.65x = 4,923.19 × 1,525.37
  4. Step 4: Simplify right side
    3,281.65x = 7,509,686.33
  5. Step 5: Solve for x
    x = 7,509,686.33/3,281.65
  6. Step 6: Final answer
    x = 2,288.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.