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Finding the Fourth Proportional to 11,775.90, 17,664.46 and 3,010.90

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Solution

The fourth proportional to 11,775.90, 17,664.46 and 3,010.90 is: 4,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.90 : 17,664.46 = 3,010.90 : x
  2. Step 2: Convert to fraction form
    11,775.90/17,664.46 = 3,010.90/x
  3. Step 3: Cross multiply
    11,775.90x = 17,664.46 × 3,010.90
  4. Step 4: Simplify right side
    11,775.90x = 53,185,922.61
  5. Step 5: Solve for x
    x = 53,185,922.61/11,775.90
  6. Step 6: Final answer
    x = 4,516.51

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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.