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Finding the Fourth Proportional to 55,041.96, 75,957.84 and 29,891.28

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Solution

The fourth proportional to 55,041.96, 75,957.84 and 29,891.28 is: 41,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.96 : 75,957.84 = 29,891.28 : x
  2. Step 2: Convert to fraction form
    55,041.96/75,957.84 = 29,891.28/x
  3. Step 3: Cross multiply
    55,041.96x = 75,957.84 × 29,891.28
  4. Step 4: Simplify right side
    55,041.96x = 2,270,477,063.64
  5. Step 5: Solve for x
    x = 2,270,477,063.64/55,041.96
  6. Step 6: Final answer
    x = 41,249.93

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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.