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Finding the Fourth Proportional to 3,066.01, 4,231.10 and 1,668.76

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Solution

The fourth proportional to 3,066.01, 4,231.10 and 1,668.76 is: 2,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.01 : 4,231.10 = 1,668.76 : x
  2. Step 2: Convert to fraction form
    3,066.01/4,231.10 = 1,668.76/x
  3. Step 3: Cross multiply
    3,066.01x = 4,231.10 × 1,668.76
  4. Step 4: Simplify right side
    3,066.01x = 7,060,690.44
  5. Step 5: Solve for x
    x = 7,060,690.44/3,066.01
  6. Step 6: Final answer
    x = 2,302.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.