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Finding the Fourth Proportional to 24,812.16, 34,242.88 and 13,636.48

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Solution

The fourth proportional to 24,812.16, 34,242.88 and 13,636.48 is: 18,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,812.16 : 34,242.88 = 13,636.48 : x
  2. Step 2: Convert to fraction form
    24,812.16/34,242.88 = 13,636.48/x
  3. Step 3: Cross multiply
    24,812.16x = 34,242.88 × 13,636.48
  4. Step 4: Simplify right side
    24,812.16x = 466,952,348.26
  5. Step 5: Solve for x
    x = 466,952,348.26/24,812.16
  6. Step 6: Final answer
    x = 18,819.50

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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.