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Finding the Fourth Proportional to 11,762.16, 17,626.77 and 8,838.60

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Solution

The fourth proportional to 11,762.16, 17,626.77 and 8,838.60 is: 13,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.16 : 17,626.77 = 8,838.60 : x
  2. Step 2: Convert to fraction form
    11,762.16/17,626.77 = 8,838.60/x
  3. Step 3: Cross multiply
    11,762.16x = 17,626.77 × 8,838.60
  4. Step 4: Simplify right side
    11,762.16x = 155,795,969.32
  5. Step 5: Solve for x
    x = 155,795,969.32/11,762.16
  6. Step 6: Final answer
    x = 13,245.52

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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.