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Finding the Fourth Proportional to 2,055.17, 3,083.03 and 668.05

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Solution

The fourth proportional to 2,055.17, 3,083.03 and 668.05 is: 1,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.17 : 3,083.03 = 668.05 : x
  2. Step 2: Convert to fraction form
    2,055.17/3,083.03 = 668.05/x
  3. Step 3: Cross multiply
    2,055.17x = 3,083.03 × 668.05
  4. Step 4: Simplify right side
    2,055.17x = 2,059,618.19
  5. Step 5: Solve for x
    x = 2,059,618.19/2,055.17
  6. Step 6: Final answer
    x = 1,002.16

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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.