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Finding the Fourth Proportional to 16,488.80, 24,716.64 and 8,174.84

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Solution

The fourth proportional to 16,488.80, 24,716.64 and 8,174.84 is: 12,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.80 : 24,716.64 = 8,174.84 : x
  2. Step 2: Convert to fraction form
    16,488.80/24,716.64 = 8,174.84/x
  3. Step 3: Cross multiply
    16,488.80x = 24,716.64 × 8,174.84
  4. Step 4: Simplify right side
    16,488.80x = 202,054,577.34
  5. Step 5: Solve for x
    x = 202,054,577.34/16,488.80
  6. Step 6: Final answer
    x = 12,254.05

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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.