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Finding the Fourth Proportional to 11,750.88, 16,211.79 and 7,502.10

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Solution

The fourth proportional to 11,750.88, 16,211.79 and 7,502.10 is: 10,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.88 : 16,211.79 = 7,502.10 : x
  2. Step 2: Convert to fraction form
    11,750.88/16,211.79 = 7,502.10/x
  3. Step 3: Cross multiply
    11,750.88x = 16,211.79 × 7,502.10
  4. Step 4: Simplify right side
    11,750.88x = 121,622,469.76
  5. Step 5: Solve for x
    x = 121,622,469.76/11,750.88
  6. Step 6: Final answer
    x = 10,350.07

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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.