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Finding the Fourth Proportional to 1,293.00, 1,784.33 and 733.58

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Solution

The fourth proportional to 1,293.00, 1,784.33 and 733.58 is: 1,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.00 : 1,784.33 = 733.58 : x
  2. Step 2: Convert to fraction form
    1,293.00/1,784.33 = 733.58/x
  3. Step 3: Cross multiply
    1,293.00x = 1,784.33 × 733.58
  4. Step 4: Simplify right side
    1,293.00x = 1,308,941.71
  5. Step 5: Solve for x
    x = 1,308,941.71/1,293.00
  6. Step 6: Final answer
    x = 1,012.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.