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Finding the Fourth Proportional to 1,840.50, 2,762.64 and 1,019.52

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Solution

The fourth proportional to 1,840.50, 2,762.64 and 1,019.52 is: 1,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.50 : 2,762.64 = 1,019.52 : x
  2. Step 2: Convert to fraction form
    1,840.50/2,762.64 = 1,019.52/x
  3. Step 3: Cross multiply
    1,840.50x = 2,762.64 × 1,019.52
  4. Step 4: Simplify right side
    1,840.50x = 2,816,566.73
  5. Step 5: Solve for x
    x = 2,816,566.73/1,840.50
  6. Step 6: Final answer
    x = 1,530.33

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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.