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Finding the Fourth Proportional to 16,574.88, 24,871.20 and 12,884.48

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Solution

The fourth proportional to 16,574.88, 24,871.20 and 12,884.48 is: 19,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.88 : 24,871.20 = 12,884.48 : x
  2. Step 2: Convert to fraction form
    16,574.88/24,871.20 = 12,884.48/x
  3. Step 3: Cross multiply
    16,574.88x = 24,871.20 × 12,884.48
  4. Step 4: Simplify right side
    16,574.88x = 320,452,478.98
  5. Step 5: Solve for x
    x = 320,452,478.98/16,574.88
  6. Step 6: Final answer
    x = 19,333.62

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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.