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Finding the Fourth Proportional to 29,847.80, 44,783.82 and 19,186.08

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Solution

The fourth proportional to 29,847.80, 44,783.82 and 19,186.08 is: 28,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847.80 : 44,783.82 = 19,186.08 : x
  2. Step 2: Convert to fraction form
    29,847.80/44,783.82 = 19,186.08/x
  3. Step 3: Cross multiply
    29,847.80x = 44,783.82 × 19,186.08
  4. Step 4: Simplify right side
    29,847.80x = 859,225,953.23
  5. Step 5: Solve for x
    x = 859,225,953.23/29,847.80
  6. Step 6: Final answer
    x = 28,786.92

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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.