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Finding the Fourth Proportional to 55,079.94, 76,010.52 and 29,929.44

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Solution

The fourth proportional to 55,079.94, 76,010.52 and 29,929.44 is: 41,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.94 : 76,010.52 = 29,929.44 : x
  2. Step 2: Convert to fraction form
    55,079.94/76,010.52 = 29,929.44/x
  3. Step 3: Cross multiply
    55,079.94x = 76,010.52 × 29,929.44
  4. Step 4: Simplify right side
    55,079.94x = 2,274,952,148.06
  5. Step 5: Solve for x
    x = 2,274,952,148.06/55,079.94
  6. Step 6: Final answer
    x = 41,302.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.