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Finding the Fourth Proportional to 46,360.96, 69,385.92 and 28,769.92

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Solution

The fourth proportional to 46,360.96, 69,385.92 and 28,769.92 is: 43,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,360.96 : 69,385.92 = 28,769.92 : x
  2. Step 2: Convert to fraction form
    46,360.96/69,385.92 = 28,769.92/x
  3. Step 3: Cross multiply
    46,360.96x = 69,385.92 × 28,769.92
  4. Step 4: Simplify right side
    46,360.96x = 1,996,227,367.53
  5. Step 5: Solve for x
    x = 1,996,227,367.53/46,360.96
  6. Step 6: Final answer
    x = 43,058.37

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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.