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Finding the Fourth Proportional to 23,280.25, 32,125.80 and 13,208.48

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Solution

The fourth proportional to 23,280.25, 32,125.80 and 13,208.48 is: 18,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.25 : 32,125.80 = 13,208.48 : x
  2. Step 2: Convert to fraction form
    23,280.25/32,125.80 = 13,208.48/x
  3. Step 3: Cross multiply
    23,280.25x = 32,125.80 × 13,208.48
  4. Step 4: Simplify right side
    23,280.25x = 424,332,890.48
  5. Step 5: Solve for x
    x = 424,332,890.48/23,280.25
  6. Step 6: Final answer
    x = 18,227.16

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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.