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Finding the Fourth Proportional to 21,898.52, 32,828.28 and 8,044.28

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Solution

The fourth proportional to 21,898.52, 32,828.28 and 8,044.28 is: 12,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,898.52 : 32,828.28 = 8,044.28 : x
  2. Step 2: Convert to fraction form
    21,898.52/32,828.28 = 8,044.28/x
  3. Step 3: Cross multiply
    21,898.52x = 32,828.28 × 8,044.28
  4. Step 4: Simplify right side
    21,898.52x = 264,079,876.24
  5. Step 5: Solve for x
    x = 264,079,876.24/21,898.52
  6. Step 6: Final answer
    x = 12,059.26

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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.