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Finding the Fourth Proportional to 28,902.60, 43,324.08 and 14,093.22

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Solution

The fourth proportional to 28,902.60, 43,324.08 and 14,093.22 is: 21,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.60 : 43,324.08 = 14,093.22 : x
  2. Step 2: Convert to fraction form
    28,902.60/43,324.08 = 14,093.22/x
  3. Step 3: Cross multiply
    28,902.60x = 43,324.08 × 14,093.22
  4. Step 4: Simplify right side
    28,902.60x = 610,575,790.74
  5. Step 5: Solve for x
    x = 610,575,790.74/28,902.60
  6. Step 6: Final answer
    x = 21,125.29

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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.