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Finding the Fourth Proportional to 30,751.65, 46,118.97 and 12,027.89

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Solution

The fourth proportional to 30,751.65, 46,118.97 and 12,027.89 is: 18,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.65 : 46,118.97 = 12,027.89 : x
  2. Step 2: Convert to fraction form
    30,751.65/46,118.97 = 12,027.89/x
  3. Step 3: Cross multiply
    30,751.65x = 46,118.97 × 12,027.89
  4. Step 4: Simplify right side
    30,751.65x = 554,714,013.37
  5. Step 5: Solve for x
    x = 554,714,013.37/30,751.65
  6. Step 6: Final answer
    x = 18,038.51

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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.