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Finding the Fourth Proportional to 16,643.80, 24,965.70 and 10,738.90

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Solution

The fourth proportional to 16,643.80, 24,965.70 and 10,738.90 is: 16,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.80 : 24,965.70 = 10,738.90 : x
  2. Step 2: Convert to fraction form
    16,643.80/24,965.70 = 10,738.90/x
  3. Step 3: Cross multiply
    16,643.80x = 24,965.70 × 10,738.90
  4. Step 4: Simplify right side
    16,643.80x = 268,104,155.73
  5. Step 5: Solve for x
    x = 268,104,155.73/16,643.80
  6. Step 6: Final answer
    x = 16,108.35

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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.