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Finding the Fourth Proportional to 21,353.58, 32,013.90 and 8,026.29

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Solution

The fourth proportional to 21,353.58, 32,013.90 and 8,026.29 is: 12,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.58 : 32,013.90 = 8,026.29 : x
  2. Step 2: Convert to fraction form
    21,353.58/32,013.90 = 8,026.29/x
  3. Step 3: Cross multiply
    21,353.58x = 32,013.90 × 8,026.29
  4. Step 4: Simplify right side
    21,353.58x = 256,952,845.43
  5. Step 5: Solve for x
    x = 256,952,845.43/21,353.58
  6. Step 6: Final answer
    x = 12,033.24

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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.