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Finding the Fourth Proportional to 9,668.60, 14,499.80 and 3,093.22

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Solution

The fourth proportional to 9,668.60, 14,499.80 and 3,093.22 is: 4,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.60 : 14,499.80 = 3,093.22 : x
  2. Step 2: Convert to fraction form
    9,668.60/14,499.80 = 3,093.22/x
  3. Step 3: Cross multiply
    9,668.60x = 14,499.80 × 3,093.22
  4. Step 4: Simplify right side
    9,668.60x = 44,851,071.36
  5. Step 5: Solve for x
    x = 44,851,071.36/9,668.60
  6. Step 6: Final answer
    x = 4,638.84

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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.