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Finding the Fourth Proportional to 28,193.56, 38,958.43 and 26,827.09

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Solution

The fourth proportional to 28,193.56, 38,958.43 and 26,827.09 is: 37,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.56 : 38,958.43 = 26,827.09 : x
  2. Step 2: Convert to fraction form
    28,193.56/38,958.43 = 26,827.09/x
  3. Step 3: Cross multiply
    28,193.56x = 38,958.43 × 26,827.09
  4. Step 4: Simplify right side
    28,193.56x = 1,045,141,307.87
  5. Step 5: Solve for x
    x = 1,045,141,307.87/28,193.56
  6. Step 6: Final answer
    x = 37,070.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.