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Finding the Fourth Proportional to 11,668.88, 17,506.56 and 5,095.64

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Solution

The fourth proportional to 11,668.88, 17,506.56 and 5,095.64 is: 7,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.88 : 17,506.56 = 5,095.64 : x
  2. Step 2: Convert to fraction form
    11,668.88/17,506.56 = 5,095.64/x
  3. Step 3: Cross multiply
    11,668.88x = 17,506.56 × 5,095.64
  4. Step 4: Simplify right side
    11,668.88x = 89,207,127.40
  5. Step 5: Solve for x
    x = 89,207,127.40/11,668.88
  6. Step 6: Final answer
    x = 7,644.87

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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.