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Finding the Fourth Proportional to 15,515.64, 23,283 and 6,751.26

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Solution

The fourth proportional to 15,515.64, 23,283 and 6,751.26 is: 10,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.64 : 23,283 = 6,751.26 : x
  2. Step 2: Convert to fraction form
    15,515.64/23,283 = 6,751.26/x
  3. Step 3: Cross multiply
    15,515.64x = 23,283 × 6,751.26
  4. Step 4: Simplify right side
    15,515.64x = 157,189,586.58
  5. Step 5: Solve for x
    x = 157,189,586.58/15,515.64
  6. Step 6: Final answer
    x = 10,131.04

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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.