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Finding the Fourth Proportional to 18,026, 24,875.92 and 10,951.20

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Solution

The fourth proportional to 18,026, 24,875.92 and 10,951.20 is: 15,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026 : 24,875.92 = 10,951.20 : x
  2. Step 2: Convert to fraction form
    18,026/24,875.92 = 10,951.20/x
  3. Step 3: Cross multiply
    18,026x = 24,875.92 × 10,951.20
  4. Step 4: Simplify right side
    18,026x = 272,421,175.10
  5. Step 5: Solve for x
    x = 272,421,175.10/18,026
  6. Step 6: Final answer
    x = 15,112.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.