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Finding the Fourth Proportional to 21,552.96, 32,329.20 and 5,970

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Solution

The fourth proportional to 21,552.96, 32,329.20 and 5,970 is: 8,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.96 : 32,329.20 = 5,970 : x
  2. Step 2: Convert to fraction form
    21,552.96/32,329.20 = 5,970/x
  3. Step 3: Cross multiply
    21,552.96x = 32,329.20 × 5,970
  4. Step 4: Simplify right side
    21,552.96x = 193,005,324
  5. Step 5: Solve for x
    x = 193,005,324/21,552.96
  6. Step 6: Final answer
    x = 8,954.93

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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.