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Finding the Fourth Proportional to 58,751.46, 81,046.98 and 37,508.40

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Solution

The fourth proportional to 58,751.46, 81,046.98 and 37,508.40 is: 51,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,751.46 : 81,046.98 = 37,508.40 : x
  2. Step 2: Convert to fraction form
    58,751.46/81,046.98 = 37,508.40/x
  3. Step 3: Cross multiply
    58,751.46x = 81,046.98 × 37,508.40
  4. Step 4: Simplify right side
    58,751.46x = 3,039,942,544.63
  5. Step 5: Solve for x
    x = 3,039,942,544.63/58,751.46
  6. Step 6: Final answer
    x = 51,742.42

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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.