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Finding the Fourth Proportional to 23,458.60, 35,123.10 and 18,274.60

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Solution

The fourth proportional to 23,458.60, 35,123.10 and 18,274.60 is: 27,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,458.60 : 35,123.10 = 18,274.60 : x
  2. Step 2: Convert to fraction form
    23,458.60/35,123.10 = 18,274.60/x
  3. Step 3: Cross multiply
    23,458.60x = 35,123.10 × 18,274.60
  4. Step 4: Simplify right side
    23,458.60x = 641,860,603.26
  5. Step 5: Solve for x
    x = 641,860,603.26/23,458.60
  6. Step 6: Final answer
    x = 27,361.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.