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Finding the Fourth Proportional to 56,630.51, 84,832.34 and 34,128.65

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Solution

The fourth proportional to 56,630.51, 84,832.34 and 34,128.65 is: 51,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,630.51 : 84,832.34 = 34,128.65 : x
  2. Step 2: Convert to fraction form
    56,630.51/84,832.34 = 34,128.65/x
  3. Step 3: Cross multiply
    56,630.51x = 84,832.34 × 34,128.65
  4. Step 4: Simplify right side
    56,630.51x = 2,895,213,240.54
  5. Step 5: Solve for x
    x = 2,895,213,240.54/56,630.51
  6. Step 6: Final answer
    x = 51,124.62

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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.