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Finding the Fourth Proportional to 24,425.60, 33,706.80 and 13,815.68

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Solution

The fourth proportional to 24,425.60, 33,706.80 and 13,815.68 is: 19,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,425.60 : 33,706.80 = 13,815.68 : x
  2. Step 2: Convert to fraction form
    24,425.60/33,706.80 = 13,815.68/x
  3. Step 3: Cross multiply
    24,425.60x = 33,706.80 × 13,815.68
  4. Step 4: Simplify right side
    24,425.60x = 465,682,362.62
  5. Step 5: Solve for x
    x = 465,682,362.62/24,425.60
  6. Step 6: Final answer
    x = 19,065.34

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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.