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Finding the Fourth Proportional to 46,483.59, 69,754.01 and 18,398.87

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Solution

The fourth proportional to 46,483.59, 69,754.01 and 18,398.87 is: 27,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,483.59 : 69,754.01 = 18,398.87 : x
  2. Step 2: Convert to fraction form
    46,483.59/69,754.01 = 18,398.87/x
  3. Step 3: Cross multiply
    46,483.59x = 69,754.01 × 18,398.87
  4. Step 4: Simplify right side
    46,483.59x = 1,283,394,961.97
  5. Step 5: Solve for x
    x = 1,283,394,961.97/46,483.59
  6. Step 6: Final answer
    x = 27,609.64

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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.