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Finding the Fourth Proportional to 2,850.98, 4,276.59 and 903.14

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Solution

The fourth proportional to 2,850.98, 4,276.59 and 903.14 is: 1,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.98 : 4,276.59 = 903.14 : x
  2. Step 2: Convert to fraction form
    2,850.98/4,276.59 = 903.14/x
  3. Step 3: Cross multiply
    2,850.98x = 4,276.59 × 903.14
  4. Step 4: Simplify right side
    2,850.98x = 3,862,359.49
  5. Step 5: Solve for x
    x = 3,862,359.49/2,850.98
  6. Step 6: Final answer
    x = 1,354.75

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Double scale
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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.