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Finding the Fourth Proportional to 24,556.89, 33,888.74 and 13,378.89

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Solution

The fourth proportional to 24,556.89, 33,888.74 and 13,378.89 is: 18,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,556.89 : 33,888.74 = 13,378.89 : x
  2. Step 2: Convert to fraction form
    24,556.89/33,888.74 = 13,378.89/x
  3. Step 3: Cross multiply
    24,556.89x = 33,888.74 × 13,378.89
  4. Step 4: Simplify right side
    24,556.89x = 453,393,657.80
  5. Step 5: Solve for x
    x = 453,393,657.80/24,556.89
  6. Step 6: Final answer
    x = 18,462.99

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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.