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Finding the Fourth Proportional to 1,739.98, 2,607.24 and 959.32

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Solution

The fourth proportional to 1,739.98, 2,607.24 and 959.32 is: 1,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.98 : 2,607.24 = 959.32 : x
  2. Step 2: Convert to fraction form
    1,739.98/2,607.24 = 959.32/x
  3. Step 3: Cross multiply
    1,739.98x = 2,607.24 × 959.32
  4. Step 4: Simplify right side
    1,739.98x = 2,501,177.48
  5. Step 5: Solve for x
    x = 2,501,177.48/1,739.98
  6. Step 6: Final answer
    x = 1,437.47

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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.