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Finding the Fourth Proportional to 8,777.58, 13,157.05 and 4,092.13

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Solution

The fourth proportional to 8,777.58, 13,157.05 and 4,092.13 is: 6,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.58 : 13,157.05 = 4,092.13 : x
  2. Step 2: Convert to fraction form
    8,777.58/13,157.05 = 4,092.13/x
  3. Step 3: Cross multiply
    8,777.58x = 13,157.05 × 4,092.13
  4. Step 4: Simplify right side
    8,777.58x = 53,840,359.02
  5. Step 5: Solve for x
    x = 53,840,359.02/8,777.58
  6. Step 6: Final answer
    x = 6,133.85

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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.