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Finding the Fourth Proportional to 11,069.58, 16,607.58 and 3,278.58

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Solution

The fourth proportional to 11,069.58, 16,607.58 and 3,278.58 is: 4,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.58 : 16,607.58 = 3,278.58 : x
  2. Step 2: Convert to fraction form
    11,069.58/16,607.58 = 3,278.58/x
  3. Step 3: Cross multiply
    11,069.58x = 16,607.58 × 3,278.58
  4. Step 4: Simplify right side
    11,069.58x = 54,449,279.64
  5. Step 5: Solve for x
    x = 54,449,279.64/11,069.58
  6. Step 6: Final answer
    x = 4,918.82

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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.