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Finding the Fourth Proportional to 21,695.22, 32,542.22 and 6,905.03

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Solution

The fourth proportional to 21,695.22, 32,542.22 and 6,905.03 is: 10,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.22 : 32,542.22 = 6,905.03 : x
  2. Step 2: Convert to fraction form
    21,695.22/32,542.22 = 6,905.03/x
  3. Step 3: Cross multiply
    21,695.22x = 32,542.22 × 6,905.03
  4. Step 4: Simplify right side
    21,695.22x = 224,704,859.92
  5. Step 5: Solve for x
    x = 224,704,859.92/21,695.22
  6. Step 6: Final answer
    x = 10,357.34

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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.