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Finding the Fourth Proportional to 968.00, 1,335.15 and 746.60

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Solution

The fourth proportional to 968.00, 1,335.15 and 746.60 is: 1,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.00 : 1,335.15 = 746.60 : x
  2. Step 2: Convert to fraction form
    968.00/1,335.15 = 746.60/x
  3. Step 3: Cross multiply
    968.00x = 1,335.15 × 746.60
  4. Step 4: Simplify right side
    968.00x = 996,816.31
  5. Step 5: Solve for x
    x = 996,816.31/968.00
  6. Step 6: Final answer
    x = 1,029.77

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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.