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Finding the Fourth Proportional to 1,705.51, 2,350.52 and 1,283.00

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Solution

The fourth proportional to 1,705.51, 2,350.52 and 1,283.00 is: 1,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.51 : 2,350.52 = 1,283.00 : x
  2. Step 2: Convert to fraction form
    1,705.51/2,350.52 = 1,283.00/x
  3. Step 3: Cross multiply
    1,705.51x = 2,350.52 × 1,283.00
  4. Step 4: Simplify right side
    1,705.51x = 3,015,711.55
  5. Step 5: Solve for x
    x = 3,015,711.55/1,705.51
  6. Step 6: Final answer
    x = 1,768.21

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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.