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Finding the Fourth Proportional to 46,652.62, 69,965.92 and 12,910.51

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Solution

The fourth proportional to 46,652.62, 69,965.92 and 12,910.51 is: 19,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,652.62 : 69,965.92 = 12,910.51 : x
  2. Step 2: Convert to fraction form
    46,652.62/69,965.92 = 12,910.51/x
  3. Step 3: Cross multiply
    46,652.62x = 69,965.92 × 12,910.51
  4. Step 4: Simplify right side
    46,652.62x = 903,295,709.82
  5. Step 5: Solve for x
    x = 903,295,709.82/46,652.62
  6. Step 6: Final answer
    x = 19,362.16

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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.