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Finding the Fourth Proportional to 58,757.45, 81,006.96 and 46,698.20

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Solution

The fourth proportional to 58,757.45, 81,006.96 and 46,698.20 is: 64,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,757.45 : 81,006.96 = 46,698.20 : x
  2. Step 2: Convert to fraction form
    58,757.45/81,006.96 = 46,698.20/x
  3. Step 3: Cross multiply
    58,757.45x = 81,006.96 × 46,698.20
  4. Step 4: Simplify right side
    58,757.45x = 3,782,878,814.44
  5. Step 5: Solve for x
    x = 3,782,878,814.44/58,757.45
  6. Step 6: Final answer
    x = 64,381.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.