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Finding the Fourth Proportional to 46,483.88, 69,698.09 and 18,407.96

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Solution

The fourth proportional to 46,483.88, 69,698.09 and 18,407.96 is: 27,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,483.88 : 69,698.09 = 18,407.96 : x
  2. Step 2: Convert to fraction form
    46,483.88/69,698.09 = 18,407.96/x
  3. Step 3: Cross multiply
    46,483.88x = 69,698.09 × 18,407.96
  4. Step 4: Simplify right side
    46,483.88x = 1,282,999,212.27
  5. Step 5: Solve for x
    x = 1,282,999,212.27/46,483.88
  6. Step 6: Final answer
    x = 27,600.95

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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.