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Finding the Fourth Proportional to 21,889.52, 32,847.24 and 8,048.24

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Solution

The fourth proportional to 21,889.52, 32,847.24 and 8,048.24 is: 12,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.52 : 32,847.24 = 8,048.24 : x
  2. Step 2: Convert to fraction form
    21,889.52/32,847.24 = 8,048.24/x
  3. Step 3: Cross multiply
    21,889.52x = 32,847.24 × 8,048.24
  4. Step 4: Simplify right side
    21,889.52x = 264,362,470.86
  5. Step 5: Solve for x
    x = 264,362,470.86/21,889.52
  6. Step 6: Final answer
    x = 12,077.13

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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.