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Finding the Fourth Proportional to 23,596.39, 32,563.03 and 12,985.80

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Solution

The fourth proportional to 23,596.39, 32,563.03 and 12,985.80 is: 17,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,596.39 : 32,563.03 = 12,985.80 : x
  2. Step 2: Convert to fraction form
    23,596.39/32,563.03 = 12,985.80/x
  3. Step 3: Cross multiply
    23,596.39x = 32,563.03 × 12,985.80
  4. Step 4: Simplify right side
    23,596.39x = 422,856,832.16
  5. Step 5: Solve for x
    x = 422,856,832.16/23,596.39
  6. Step 6: Final answer
    x = 17,920.40

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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.