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Finding the Fourth Proportional to 11,335.90, 17,004.42 and 8,039.58

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Solution

The fourth proportional to 11,335.90, 17,004.42 and 8,039.58 is: 12,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.90 : 17,004.42 = 8,039.58 : x
  2. Step 2: Convert to fraction form
    11,335.90/17,004.42 = 8,039.58/x
  3. Step 3: Cross multiply
    11,335.90x = 17,004.42 × 8,039.58
  4. Step 4: Simplify right side
    11,335.90x = 136,708,394.94
  5. Step 5: Solve for x
    x = 136,708,394.94/11,335.90
  6. Step 6: Final answer
    x = 12,059.77

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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.