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Finding the Fourth Proportional to 28,734.82, 43,102.23 and 17,070.82

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Solution

The fourth proportional to 28,734.82, 43,102.23 and 17,070.82 is: 25,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.82 : 43,102.23 = 17,070.82 : x
  2. Step 2: Convert to fraction form
    28,734.82/43,102.23 = 17,070.82/x
  3. Step 3: Cross multiply
    28,734.82x = 43,102.23 × 17,070.82
  4. Step 4: Simplify right side
    28,734.82x = 735,790,409.93
  5. Step 5: Solve for x
    x = 735,790,409.93/28,734.82
  6. Step 6: Final answer
    x = 25,606.23

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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.