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Finding the Fourth Proportional to 888.93, 1,335.72 and 833.58

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Solution

The fourth proportional to 888.93, 1,335.72 and 833.58 is: 1,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.93 : 1,335.72 = 833.58 : x
  2. Step 2: Convert to fraction form
    888.93/1,335.72 = 833.58/x
  3. Step 3: Cross multiply
    888.93x = 1,335.72 × 833.58
  4. Step 4: Simplify right side
    888.93x = 1,113,429.48
  5. Step 5: Solve for x
    x = 1,113,429.48/888.93
  6. Step 6: Final answer
    x = 1,252.55

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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.