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Finding the Fourth Proportional to 16,449.60, 24,674.40 and 15,604.80

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Solution

The fourth proportional to 16,449.60, 24,674.40 and 15,604.80 is: 23,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.60 : 24,674.40 = 15,604.80 : x
  2. Step 2: Convert to fraction form
    16,449.60/24,674.40 = 15,604.80/x
  3. Step 3: Cross multiply
    16,449.60x = 24,674.40 × 15,604.80
  4. Step 4: Simplify right side
    16,449.60x = 385,039,077.12
  5. Step 5: Solve for x
    x = 385,039,077.12/16,449.60
  6. Step 6: Final answer
    x = 23,407.20

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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.