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Finding the Fourth Proportional to 19,984.20, 30,002.70 and 16,037.64

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Solution

The fourth proportional to 19,984.20, 30,002.70 and 16,037.64 is: 24,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.20 : 30,002.70 = 16,037.64 : x
  2. Step 2: Convert to fraction form
    19,984.20/30,002.70 = 16,037.64/x
  3. Step 3: Cross multiply
    19,984.20x = 30,002.70 × 16,037.64
  4. Step 4: Simplify right side
    19,984.20x = 481,172,501.63
  5. Step 5: Solve for x
    x = 481,172,501.63/19,984.20
  6. Step 6: Final answer
    x = 24,077.65

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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.