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Finding the Fourth Proportional to 11,036.60, 16,530.60 and 9,578.60

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Solution

The fourth proportional to 11,036.60, 16,530.60 and 9,578.60 is: 14,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.60 : 16,530.60 = 9,578.60 : x
  2. Step 2: Convert to fraction form
    11,036.60/16,530.60 = 9,578.60/x
  3. Step 3: Cross multiply
    11,036.60x = 16,530.60 × 9,578.60
  4. Step 4: Simplify right side
    11,036.60x = 158,340,005.16
  5. Step 5: Solve for x
    x = 158,340,005.16/11,036.60
  6. Step 6: Final answer
    x = 14,346.81

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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.