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Finding the Fourth Proportional to 24,485.20, 36,766.20 and 16,728.40

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Solution

The fourth proportional to 24,485.20, 36,766.20 and 16,728.40 is: 25,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,485.20 : 36,766.20 = 16,728.40 : x
  2. Step 2: Convert to fraction form
    24,485.20/36,766.20 = 16,728.40/x
  3. Step 3: Cross multiply
    24,485.20x = 36,766.20 × 16,728.40
  4. Step 4: Simplify right side
    24,485.20x = 615,039,700.08
  5. Step 5: Solve for x
    x = 615,039,700.08/24,485.20
  6. Step 6: Final answer
    x = 25,118.84

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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.