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Finding the Fourth Proportional to 894.96, 1,335 and 758.88

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Solution

The fourth proportional to 894.96, 1,335 and 758.88 is: 1,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.96 : 1,335 = 758.88 : x
  2. Step 2: Convert to fraction form
    894.96/1,335 = 758.88/x
  3. Step 3: Cross multiply
    894.96x = 1,335 × 758.88
  4. Step 4: Simplify right side
    894.96x = 1,013,104.80
  5. Step 5: Solve for x
    x = 1,013,104.80/894.96
  6. Step 6: Final answer
    x = 1,132.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.