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Finding the Fourth Proportional to 1,263.73, 1,896.06 and 533.23

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Solution

The fourth proportional to 1,263.73, 1,896.06 and 533.23 is: 800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.73 : 1,896.06 = 533.23 : x
  2. Step 2: Convert to fraction form
    1,263.73/1,896.06 = 533.23/x
  3. Step 3: Cross multiply
    1,263.73x = 1,896.06 × 533.23
  4. Step 4: Simplify right side
    1,263.73x = 1,011,036.07
  5. Step 5: Solve for x
    x = 1,011,036.07/1,263.73
  6. Step 6: Final answer
    x = 800.04

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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.