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Finding the Fourth Proportional to 11,762.02, 16,236.93 and 7,518.88

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Solution

The fourth proportional to 11,762.02, 16,236.93 and 7,518.88 is: 10,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.02 : 16,236.93 = 7,518.88 : x
  2. Step 2: Convert to fraction form
    11,762.02/16,236.93 = 7,518.88/x
  3. Step 3: Cross multiply
    11,762.02x = 16,236.93 × 7,518.88
  4. Step 4: Simplify right side
    11,762.02x = 122,083,528.24
  5. Step 5: Solve for x
    x = 122,083,528.24/11,762.02
  6. Step 6: Final answer
    x = 10,379.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.