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Finding the Fourth Proportional to 18,295.10, 27,442.64 and 4,444.10

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Solution

The fourth proportional to 18,295.10, 27,442.64 and 4,444.10 is: 6,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.10 : 27,442.64 = 4,444.10 : x
  2. Step 2: Convert to fraction form
    18,295.10/27,442.64 = 4,444.10/x
  3. Step 3: Cross multiply
    18,295.10x = 27,442.64 × 4,444.10
  4. Step 4: Simplify right side
    18,295.10x = 121,957,836.42
  5. Step 5: Solve for x
    x = 121,957,836.42/18,295.10
  6. Step 6: Final answer
    x = 6,666.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.