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Finding the Fourth Proportional to 16,809.60, 23,207.25 and 14,941.20

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Solution

The fourth proportional to 16,809.60, 23,207.25 and 14,941.20 is: 20,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.60 : 23,207.25 = 14,941.20 : x
  2. Step 2: Convert to fraction form
    16,809.60/23,207.25 = 14,941.20/x
  3. Step 3: Cross multiply
    16,809.60x = 23,207.25 × 14,941.20
  4. Step 4: Simplify right side
    16,809.60x = 346,744,163.70
  5. Step 5: Solve for x
    x = 346,744,163.70/16,809.60
  6. Step 6: Final answer
    x = 20,627.75

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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.