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Finding the Fourth Proportional to 5,393.82, 8,090.73 and 1,498.23

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Solution

The fourth proportional to 5,393.82, 8,090.73 and 1,498.23 is: 2,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.82 : 8,090.73 = 1,498.23 : x
  2. Step 2: Convert to fraction form
    5,393.82/8,090.73 = 1,498.23/x
  3. Step 3: Cross multiply
    5,393.82x = 8,090.73 × 1,498.23
  4. Step 4: Simplify right side
    5,393.82x = 12,121,774.41
  5. Step 5: Solve for x
    x = 12,121,774.41/5,393.82
  6. Step 6: Final answer
    x = 2,247.35

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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.