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Finding the Fourth Proportional to 21,703.43, 32,544.35 and 6,910.43

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Solution

The fourth proportional to 21,703.43, 32,544.35 and 6,910.43 is: 10,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.43 : 32,544.35 = 6,910.43 : x
  2. Step 2: Convert to fraction form
    21,703.43/32,544.35 = 6,910.43/x
  3. Step 3: Cross multiply
    21,703.43x = 32,544.35 × 6,910.43
  4. Step 4: Simplify right side
    21,703.43x = 224,895,255.30
  5. Step 5: Solve for x
    x = 224,895,255.30/21,703.43
  6. Step 6: Final answer
    x = 10,362.20

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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.