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Finding the Fourth Proportional to 23,541.32, 32,487 and 12,930.86

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Solution

The fourth proportional to 23,541.32, 32,487 and 12,930.86 is: 17,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,541.32 : 32,487 = 12,930.86 : x
  2. Step 2: Convert to fraction form
    23,541.32/32,487 = 12,930.86/x
  3. Step 3: Cross multiply
    23,541.32x = 32,487 × 12,930.86
  4. Step 4: Simplify right side
    23,541.32x = 420,084,848.82
  5. Step 5: Solve for x
    x = 420,084,848.82/23,541.32
  6. Step 6: Final answer
    x = 17,844.57

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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.