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Finding the Fourth Proportional to 11,610.63, 17,416.02 and 2,845.55

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Solution

The fourth proportional to 11,610.63, 17,416.02 and 2,845.55 is: 4,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.63 : 17,416.02 = 2,845.55 : x
  2. Step 2: Convert to fraction form
    11,610.63/17,416.02 = 2,845.55/x
  3. Step 3: Cross multiply
    11,610.63x = 17,416.02 × 2,845.55
  4. Step 4: Simplify right side
    11,610.63x = 49,558,068.63
  5. Step 5: Solve for x
    x = 49,558,068.63/11,610.63
  6. Step 6: Final answer
    x = 4,268.34

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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.