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Finding the Fourth Proportional to 46,312.52, 69,481.74 and 18,629.96

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Solution

The fourth proportional to 46,312.52, 69,481.74 and 18,629.96 is: 27,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,312.52 : 69,481.74 = 18,629.96 : x
  2. Step 2: Convert to fraction form
    46,312.52/69,481.74 = 18,629.96/x
  3. Step 3: Cross multiply
    46,312.52x = 69,481.74 × 18,629.96
  4. Step 4: Simplify right side
    46,312.52x = 1,294,442,036.93
  5. Step 5: Solve for x
    x = 1,294,442,036.93/46,312.52
  6. Step 6: Final answer
    x = 27,950.15

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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.