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Finding the Fourth Proportional to 23,365.86, 32,245.65 and 12,756.30

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Solution

The fourth proportional to 23,365.86, 32,245.65 and 12,756.30 is: 17,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,365.86 : 32,245.65 = 12,756.30 : x
  2. Step 2: Convert to fraction form
    23,365.86/32,245.65 = 12,756.30/x
  3. Step 3: Cross multiply
    23,365.86x = 32,245.65 × 12,756.30
  4. Step 4: Simplify right side
    23,365.86x = 411,335,185.10
  5. Step 5: Solve for x
    x = 411,335,185.10/23,365.86
  6. Step 6: Final answer
    x = 17,604.11

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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.