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Finding the Fourth Proportional to 14,705.64, 20,284.92 and 8,733.42

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Solution

The fourth proportional to 14,705.64, 20,284.92 and 8,733.42 is: 12,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.64 : 20,284.92 = 8,733.42 : x
  2. Step 2: Convert to fraction form
    14,705.64/20,284.92 = 8,733.42/x
  3. Step 3: Cross multiply
    14,705.64x = 20,284.92 × 8,733.42
  4. Step 4: Simplify right side
    14,705.64x = 177,156,726.03
  5. Step 5: Solve for x
    x = 177,156,726.03/14,705.64
  6. Step 6: Final answer
    x = 12,046.86

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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.