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Finding the Fourth Proportional to 11,010.84, 16,516.98 and 3,219

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Solution

The fourth proportional to 11,010.84, 16,516.98 and 3,219 is: 4,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.84 : 16,516.98 = 3,219 : x
  2. Step 2: Convert to fraction form
    11,010.84/16,516.98 = 3,219/x
  3. Step 3: Cross multiply
    11,010.84x = 16,516.98 × 3,219
  4. Step 4: Simplify right side
    11,010.84x = 53,168,158.62
  5. Step 5: Solve for x
    x = 53,168,158.62/11,010.84
  6. Step 6: Final answer
    x = 4,828.71

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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.