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Finding the Fourth Proportional to 1,775.96, 2,663.96 and 995.84

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Solution

The fourth proportional to 1,775.96, 2,663.96 and 995.84 is: 1,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.96 : 2,663.96 = 995.84 : x
  2. Step 2: Convert to fraction form
    1,775.96/2,663.96 = 995.84/x
  3. Step 3: Cross multiply
    1,775.96x = 2,663.96 × 995.84
  4. Step 4: Simplify right side
    1,775.96x = 2,652,859.63
  5. Step 5: Solve for x
    x = 2,652,859.63/1,775.96
  6. Step 6: Final answer
    x = 1,493.77

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Double scale
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Similar ratio
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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.