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Finding the Fourth Proportional to 55,077.58, 76,006.92 and 29,927.08

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Solution

The fourth proportional to 55,077.58, 76,006.92 and 29,927.08 is: 41,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.58 : 76,006.92 = 29,927.08 : x
  2. Step 2: Convert to fraction form
    55,077.58/76,006.92 = 29,927.08/x
  3. Step 3: Cross multiply
    55,077.58x = 76,006.92 × 29,927.08
  4. Step 4: Simplify right side
    55,077.58x = 2,274,665,175.39
  5. Step 5: Solve for x
    x = 2,274,665,175.39/55,077.58
  6. Step 6: Final answer
    x = 41,299.29

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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.