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Finding the Fourth Proportional to 58,674.25, 87,920.79 and 39,624.23

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Solution

The fourth proportional to 58,674.25, 87,920.79 and 39,624.23 is: 59,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,674.25 : 87,920.79 = 39,624.23 : x
  2. Step 2: Convert to fraction form
    58,674.25/87,920.79 = 39,624.23/x
  3. Step 3: Cross multiply
    58,674.25x = 87,920.79 × 39,624.23
  4. Step 4: Simplify right side
    58,674.25x = 3,483,793,604.74
  5. Step 5: Solve for x
    x = 3,483,793,604.74/58,674.25
  6. Step 6: Final answer
    x = 59,375.17

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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.