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Finding the Fourth Proportional to 16,808.40, 25,216.74 and 6,950.48

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Solution

The fourth proportional to 16,808.40, 25,216.74 and 6,950.48 is: 10,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.40 : 25,216.74 = 6,950.48 : x
  2. Step 2: Convert to fraction form
    16,808.40/25,216.74 = 6,950.48/x
  3. Step 3: Cross multiply
    16,808.40x = 25,216.74 × 6,950.48
  4. Step 4: Simplify right side
    16,808.40x = 175,268,447.04
  5. Step 5: Solve for x
    x = 175,268,447.04/16,808.40
  6. Step 6: Final answer
    x = 10,427.43

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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.