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Finding the Fourth Proportional to 1,433.92, 1,977.73 and 962.35

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Solution

The fourth proportional to 1,433.92, 1,977.73 and 962.35 is: 1,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.92 : 1,977.73 = 962.35 : x
  2. Step 2: Convert to fraction form
    1,433.92/1,977.73 = 962.35/x
  3. Step 3: Cross multiply
    1,433.92x = 1,977.73 × 962.35
  4. Step 4: Simplify right side
    1,433.92x = 1,903,268.47
  5. Step 5: Solve for x
    x = 1,903,268.47/1,433.92
  6. Step 6: Final answer
    x = 1,327.32

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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.