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Finding the Fourth Proportional to 2,848.58, 4,270.25 and 998.67

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Solution

The fourth proportional to 2,848.58, 4,270.25 and 998.67 is: 1,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.58 : 4,270.25 = 998.67 : x
  2. Step 2: Convert to fraction form
    2,848.58/4,270.25 = 998.67/x
  3. Step 3: Cross multiply
    2,848.58x = 4,270.25 × 998.67
  4. Step 4: Simplify right side
    2,848.58x = 4,264,565.57
  5. Step 5: Solve for x
    x = 4,264,565.57/2,848.58
  6. Step 6: Final answer
    x = 1,497.09

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1.5x scale

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.