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Finding the Fourth Proportional to 46,685.52, 70,072.92 and 17,131.92

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Solution

The fourth proportional to 46,685.52, 70,072.92 and 17,131.92 is: 25,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,685.52 : 70,072.92 = 17,131.92 : x
  2. Step 2: Convert to fraction form
    46,685.52/70,072.92 = 17,131.92/x
  3. Step 3: Cross multiply
    46,685.52x = 70,072.92 × 17,131.92
  4. Step 4: Simplify right side
    46,685.52x = 1,200,483,659.61
  5. Step 5: Solve for x
    x = 1,200,483,659.61/46,685.52
  6. Step 6: Final answer
    x = 25,714.26

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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.