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Finding the Fourth Proportional to 18,237, 27,359.34 and 5,925.96

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Solution

The fourth proportional to 18,237, 27,359.34 and 5,925.96 is: 8,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237 : 27,359.34 = 5,925.96 : x
  2. Step 2: Convert to fraction form
    18,237/27,359.34 = 5,925.96/x
  3. Step 3: Cross multiply
    18,237x = 27,359.34 × 5,925.96
  4. Step 4: Simplify right side
    18,237x = 162,130,354.47
  5. Step 5: Solve for x
    x = 162,130,354.47/18,237
  6. Step 6: Final answer
    x = 8,890.19

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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.