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Finding the Fourth Proportional to 11,658.98, 17,482.64 and 6,919.98

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Solution

The fourth proportional to 11,658.98, 17,482.64 and 6,919.98 is: 10,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.98 : 17,482.64 = 6,919.98 : x
  2. Step 2: Convert to fraction form
    11,658.98/17,482.64 = 6,919.98/x
  3. Step 3: Cross multiply
    11,658.98x = 17,482.64 × 6,919.98
  4. Step 4: Simplify right side
    11,658.98x = 120,979,519.15
  5. Step 5: Solve for x
    x = 120,979,519.15/11,658.98
  6. Step 6: Final answer
    x = 10,376.51

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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.