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Finding the Fourth Proportional to 23,592.60, 32,556.96 and 12,981.96

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Solution

The fourth proportional to 23,592.60, 32,556.96 and 12,981.96 is: 17,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,592.60 : 32,556.96 = 12,981.96 : x
  2. Step 2: Convert to fraction form
    23,592.60/32,556.96 = 12,981.96/x
  3. Step 3: Cross multiply
    23,592.60x = 32,556.96 × 12,981.96
  4. Step 4: Simplify right side
    23,592.60x = 422,653,152.44
  5. Step 5: Solve for x
    x = 422,653,152.44/23,592.60
  6. Step 6: Final answer
    x = 17,914.65

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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.