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Finding the Fourth Proportional to 18,302.05, 27,445.02 and 7,050.52

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Solution

The fourth proportional to 18,302.05, 27,445.02 and 7,050.52 is: 10,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.05 : 27,445.02 = 7,050.52 : x
  2. Step 2: Convert to fraction form
    18,302.05/27,445.02 = 7,050.52/x
  3. Step 3: Cross multiply
    18,302.05x = 27,445.02 × 7,050.52
  4. Step 4: Simplify right side
    18,302.05x = 193,501,662.41
  5. Step 5: Solve for x
    x = 193,501,662.41/18,302.05
  6. Step 6: Final answer
    x = 10,572.68

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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.