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Finding the Fourth Proportional to 2,848.84, 4,270.66 and 998.95

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Solution

The fourth proportional to 2,848.84, 4,270.66 and 998.95 is: 1,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.84 : 4,270.66 = 998.95 : x
  2. Step 2: Convert to fraction form
    2,848.84/4,270.66 = 998.95/x
  3. Step 3: Cross multiply
    2,848.84x = 4,270.66 × 998.95
  4. Step 4: Simplify right side
    2,848.84x = 4,266,170.64
  5. Step 5: Solve for x
    x = 4,266,170.64/2,848.84
  6. Step 6: Final answer
    x = 1,497.51

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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.