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Finding the Fourth Proportional to 25,049.76, 34,569.06 and 13,719.04

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Solution

The fourth proportional to 25,049.76, 34,569.06 and 13,719.04 is: 18,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.76 : 34,569.06 = 13,719.04 : x
  2. Step 2: Convert to fraction form
    25,049.76/34,569.06 = 13,719.04/x
  3. Step 3: Cross multiply
    25,049.76x = 34,569.06 × 13,719.04
  4. Step 4: Simplify right side
    25,049.76x = 474,254,316.90
  5. Step 5: Solve for x
    x = 474,254,316.90/25,049.76
  6. Step 6: Final answer
    x = 18,932.49

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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.