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Finding the Fourth Proportional to 12,449.96, 18,673.26 and 5,058.44

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Solution

The fourth proportional to 12,449.96, 18,673.26 and 5,058.44 is: 7,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.96 : 18,673.26 = 5,058.44 : x
  2. Step 2: Convert to fraction form
    12,449.96/18,673.26 = 5,058.44/x
  3. Step 3: Cross multiply
    12,449.96x = 18,673.26 × 5,058.44
  4. Step 4: Simplify right side
    12,449.96x = 94,457,565.31
  5. Step 5: Solve for x
    x = 94,457,565.31/12,449.96
  6. Step 6: Final answer
    x = 7,586.98

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Half scale
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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.