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Finding the Fourth Proportional to 1,705.08, 2,353.07 and 959.01

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Solution

The fourth proportional to 1,705.08, 2,353.07 and 959.01 is: 1,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.08 : 2,353.07 = 959.01 : x
  2. Step 2: Convert to fraction form
    1,705.08/2,353.07 = 959.01/x
  3. Step 3: Cross multiply
    1,705.08x = 2,353.07 × 959.01
  4. Step 4: Simplify right side
    1,705.08x = 2,256,617.66
  5. Step 5: Solve for x
    x = 2,256,617.66/1,705.08
  6. Step 6: Final answer
    x = 1,323.47

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Why These Related Problems?

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