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Finding the Fourth Proportional to 23,261.60, 32,100.36 and 12,651.68

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Solution

The fourth proportional to 23,261.60, 32,100.36 and 12,651.68 is: 17,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,261.60 : 32,100.36 = 12,651.68 : x
  2. Step 2: Convert to fraction form
    23,261.60/32,100.36 = 12,651.68/x
  3. Step 3: Cross multiply
    23,261.60x = 32,100.36 × 12,651.68
  4. Step 4: Simplify right side
    23,261.60x = 406,123,482.60
  5. Step 5: Solve for x
    x = 406,123,482.60/23,261.60
  6. Step 6: Final answer
    x = 17,458.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.