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Finding the Fourth Proportional to 11,750.63, 16,219.51 and 7,558.88

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Solution

The fourth proportional to 11,750.63, 16,219.51 and 7,558.88 is: 10,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.63 : 16,219.51 = 7,558.88 : x
  2. Step 2: Convert to fraction form
    11,750.63/16,219.51 = 7,558.88/x
  3. Step 3: Cross multiply
    11,750.63x = 16,219.51 × 7,558.88
  4. Step 4: Simplify right side
    11,750.63x = 122,601,229.75
  5. Step 5: Solve for x
    x = 122,601,229.75/11,750.63
  6. Step 6: Final answer
    x = 10,433.59

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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.