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Finding the Fourth Proportional to 14,672.60, 22,008.90 and 8,451.80

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Solution

The fourth proportional to 14,672.60, 22,008.90 and 8,451.80 is: 12,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.60 : 22,008.90 = 8,451.80 : x
  2. Step 2: Convert to fraction form
    14,672.60/22,008.90 = 8,451.80/x
  3. Step 3: Cross multiply
    14,672.60x = 22,008.90 × 8,451.80
  4. Step 4: Simplify right side
    14,672.60x = 186,014,821.02
  5. Step 5: Solve for x
    x = 186,014,821.02/14,672.60
  6. Step 6: Final answer
    x = 12,677.70

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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.