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Finding the Fourth Proportional to 21,552, 32,327.94 and 6,762.03

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Solution

The fourth proportional to 21,552, 32,327.94 and 6,762.03 is: 10,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552 : 32,327.94 = 6,762.03 : x
  2. Step 2: Convert to fraction form
    21,552/32,327.94 = 6,762.03/x
  3. Step 3: Cross multiply
    21,552x = 32,327.94 × 6,762.03
  4. Step 4: Simplify right side
    21,552x = 218,602,500.12
  5. Step 5: Solve for x
    x = 218,602,500.12/21,552
  6. Step 6: Final answer
    x = 10,143.03

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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.