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Finding the Fourth Proportional to 16,479.20, 24,697.20 and 14,621.60

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Solution

The fourth proportional to 16,479.20, 24,697.20 and 14,621.60 is: 21,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.20 : 24,697.20 = 14,621.60 : x
  2. Step 2: Convert to fraction form
    16,479.20/24,697.20 = 14,621.60/x
  3. Step 3: Cross multiply
    16,479.20x = 24,697.20 × 14,621.60
  4. Step 4: Simplify right side
    16,479.20x = 361,112,579.52
  5. Step 5: Solve for x
    x = 361,112,579.52/16,479.20
  6. Step 6: Final answer
    x = 21,913.23

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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.