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Finding the Fourth Proportional to 11,053.52, 16,578.12 and 3,260.60

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Solution

The fourth proportional to 11,053.52, 16,578.12 and 3,260.60 is: 4,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.52 : 16,578.12 = 3,260.60 : x
  2. Step 2: Convert to fraction form
    11,053.52/16,578.12 = 3,260.60/x
  3. Step 3: Cross multiply
    11,053.52x = 16,578.12 × 3,260.60
  4. Step 4: Simplify right side
    11,053.52x = 54,054,618.07
  5. Step 5: Solve for x
    x = 54,054,618.07/11,053.52
  6. Step 6: Final answer
    x = 4,890.26

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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.