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Finding the Fourth Proportional to 46,951.87, 70,430.25 and 11,891.83

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Solution

The fourth proportional to 46,951.87, 70,430.25 and 11,891.83 is: 17,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,951.87 : 70,430.25 = 11,891.83 : x
  2. Step 2: Convert to fraction form
    46,951.87/70,430.25 = 11,891.83/x
  3. Step 3: Cross multiply
    46,951.87x = 70,430.25 × 11,891.83
  4. Step 4: Simplify right side
    46,951.87x = 837,544,559.86
  5. Step 5: Solve for x
    x = 837,544,559.86/46,951.87
  6. Step 6: Final answer
    x = 17,838.36

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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.