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Finding the Fourth Proportional to 11,672.19, 17,486.73 and 9,030.33

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Solution

The fourth proportional to 11,672.19, 17,486.73 and 9,030.33 is: 13,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.19 : 17,486.73 = 9,030.33 : x
  2. Step 2: Convert to fraction form
    11,672.19/17,486.73 = 9,030.33/x
  3. Step 3: Cross multiply
    11,672.19x = 17,486.73 × 9,030.33
  4. Step 4: Simplify right side
    11,672.19x = 157,910,942.52
  5. Step 5: Solve for x
    x = 157,910,942.52/11,672.19
  6. Step 6: Final answer
    x = 13,528.82

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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.