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Finding the Fourth Proportional to 23,269.80, 32,196.80 and 20,291.80

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Solution

The fourth proportional to 23,269.80, 32,196.80 and 20,291.80 is: 28,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,269.80 : 32,196.80 = 20,291.80 : x
  2. Step 2: Convert to fraction form
    23,269.80/32,196.80 = 20,291.80/x
  3. Step 3: Cross multiply
    23,269.80x = 32,196.80 × 20,291.80
  4. Step 4: Simplify right side
    23,269.80x = 653,331,026.24
  5. Step 5: Solve for x
    x = 653,331,026.24/23,269.80
  6. Step 6: Final answer
    x = 28,076.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.