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Finding the Fourth Proportional to 21,373.75, 32,063.19 and 8,902.23

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Solution

The fourth proportional to 21,373.75, 32,063.19 and 8,902.23 is: 13,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.75 : 32,063.19 = 8,902.23 : x
  2. Step 2: Convert to fraction form
    21,373.75/32,063.19 = 8,902.23/x
  3. Step 3: Cross multiply
    21,373.75x = 32,063.19 × 8,902.23
  4. Step 4: Simplify right side
    21,373.75x = 285,433,731.60
  5. Step 5: Solve for x
    x = 285,433,731.60/21,373.75
  6. Step 6: Final answer
    x = 13,354.41

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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.