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Finding the Fourth Proportional to 21,732.30, 32,600.25 and 6,943.32

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Solution

The fourth proportional to 21,732.30, 32,600.25 and 6,943.32 is: 10,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.30 : 32,600.25 = 6,943.32 : x
  2. Step 2: Convert to fraction form
    21,732.30/32,600.25 = 6,943.32/x
  3. Step 3: Cross multiply
    21,732.30x = 32,600.25 × 6,943.32
  4. Step 4: Simplify right side
    21,732.30x = 226,353,967.83
  5. Step 5: Solve for x
    x = 226,353,967.83/21,732.30
  6. Step 6: Final answer
    x = 10,415.56

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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.