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Finding the Fourth Proportional to 11,763.93, 17,630.32 and 8,629.26

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Solution

The fourth proportional to 11,763.93, 17,630.32 and 8,629.26 is: 12,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.93 : 17,630.32 = 8,629.26 : x
  2. Step 2: Convert to fraction form
    11,763.93/17,630.32 = 8,629.26/x
  3. Step 3: Cross multiply
    11,763.93x = 17,630.32 × 8,629.26
  4. Step 4: Simplify right side
    11,763.93x = 152,136,615.16
  5. Step 5: Solve for x
    x = 152,136,615.16/11,763.93
  6. Step 6: Final answer
    x = 12,932.47

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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.