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Finding the Fourth Proportional to 11,165.04, 16,751.08 and 7,007.94

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Solution

The fourth proportional to 11,165.04, 16,751.08 and 7,007.94 is: 10,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.04 : 16,751.08 = 7,007.94 : x
  2. Step 2: Convert to fraction form
    11,165.04/16,751.08 = 7,007.94/x
  3. Step 3: Cross multiply
    11,165.04x = 16,751.08 × 7,007.94
  4. Step 4: Simplify right side
    11,165.04x = 117,390,563.58
  5. Step 5: Solve for x
    x = 117,390,563.58/11,165.04
  6. Step 6: Final answer
    x = 10,514.12

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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.