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Finding the Fourth Proportional to 17,302.63, 25,955.76 and 7,941.05

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Solution

The fourth proportional to 17,302.63, 25,955.76 and 7,941.05 is: 11,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.63 : 25,955.76 = 7,941.05 : x
  2. Step 2: Convert to fraction form
    17,302.63/25,955.76 = 7,941.05/x
  3. Step 3: Cross multiply
    17,302.63x = 25,955.76 × 7,941.05
  4. Step 4: Simplify right side
    17,302.63x = 206,115,987.95
  5. Step 5: Solve for x
    x = 206,115,987.95/17,302.63
  6. Step 6: Final answer
    x = 11,912.41

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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.