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Finding the Fourth Proportional to 23,553.65, 32,506.11 and 12,945.35

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Solution

The fourth proportional to 23,553.65, 32,506.11 and 12,945.35 is: 17,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,553.65 : 32,506.11 = 12,945.35 : x
  2. Step 2: Convert to fraction form
    23,553.65/32,506.11 = 12,945.35/x
  3. Step 3: Cross multiply
    23,553.65x = 32,506.11 × 12,945.35
  4. Step 4: Simplify right side
    23,553.65x = 420,803,052.35
  5. Step 5: Solve for x
    x = 420,803,052.35/23,553.65
  6. Step 6: Final answer
    x = 17,865.72

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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.