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Finding the Fourth Proportional to 18,560.63, 25,614.89 and 10,177.13

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Solution

The fourth proportional to 18,560.63, 25,614.89 and 10,177.13 is: 14,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.63 : 25,614.89 = 10,177.13 : x
  2. Step 2: Convert to fraction form
    18,560.63/25,614.89 = 10,177.13/x
  3. Step 3: Cross multiply
    18,560.63x = 25,614.89 × 10,177.13
  4. Step 4: Simplify right side
    18,560.63x = 260,685,886.51
  5. Step 5: Solve for x
    x = 260,685,886.51/18,560.63
  6. Step 6: Final answer
    x = 14,045.10

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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.