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Finding the Fourth Proportional to 46,994.65, 70,510.43 and 20,680.94

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Solution

The fourth proportional to 46,994.65, 70,510.43 and 20,680.94 is: 31,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,994.65 : 70,510.43 = 20,680.94 : x
  2. Step 2: Convert to fraction form
    46,994.65/70,510.43 = 20,680.94/x
  3. Step 3: Cross multiply
    46,994.65x = 70,510.43 × 20,680.94
  4. Step 4: Simplify right side
    46,994.65x = 1,458,221,619.65
  5. Step 5: Solve for x
    x = 1,458,221,619.65/46,994.65
  6. Step 6: Final answer
    x = 31,029.53

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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.