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Finding the Fourth Proportional to 21,551.52, 32,327.28 and 5,969.28

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Solution

The fourth proportional to 21,551.52, 32,327.28 and 5,969.28 is: 8,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.52 : 32,327.28 = 5,969.28 : x
  2. Step 2: Convert to fraction form
    21,551.52/32,327.28 = 5,969.28/x
  3. Step 3: Cross multiply
    21,551.52x = 32,327.28 × 5,969.28
  4. Step 4: Simplify right side
    21,551.52x = 192,970,585.96
  5. Step 5: Solve for x
    x = 192,970,585.96/21,551.52
  6. Step 6: Final answer
    x = 8,953.92

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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.