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Finding the Fourth Proportional to 14,853.56, 20,495.22 and 8,480.12

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Solution

The fourth proportional to 14,853.56, 20,495.22 and 8,480.12 is: 11,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.56 : 20,495.22 = 8,480.12 : x
  2. Step 2: Convert to fraction form
    14,853.56/20,495.22 = 8,480.12/x
  3. Step 3: Cross multiply
    14,853.56x = 20,495.22 × 8,480.12
  4. Step 4: Simplify right side
    14,853.56x = 173,801,925.03
  5. Step 5: Solve for x
    x = 173,801,925.03/14,853.56
  6. Step 6: Final answer
    x = 11,701.03

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.