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Finding the Fourth Proportional to 11,297.88, 16,934.67 and 4,720.68

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Solution

The fourth proportional to 11,297.88, 16,934.67 and 4,720.68 is: 7,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.88 : 16,934.67 = 4,720.68 : x
  2. Step 2: Convert to fraction form
    11,297.88/16,934.67 = 4,720.68/x
  3. Step 3: Cross multiply
    11,297.88x = 16,934.67 × 4,720.68
  4. Step 4: Simplify right side
    11,297.88x = 79,943,157.98
  5. Step 5: Solve for x
    x = 79,943,157.98/11,297.88
  6. Step 6: Final answer
    x = 7,075.94

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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.