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Finding the Fourth Proportional to 8,577.05, 11,835.50 and 4,992.48

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Solution

The fourth proportional to 8,577.05, 11,835.50 and 4,992.48 is: 6,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.05 : 11,835.50 = 4,992.48 : x
  2. Step 2: Convert to fraction form
    8,577.05/11,835.50 = 4,992.48/x
  3. Step 3: Cross multiply
    8,577.05x = 11,835.50 × 4,992.48
  4. Step 4: Simplify right side
    8,577.05x = 59,088,472.08
  5. Step 5: Solve for x
    x = 59,088,472.08/8,577.05
  6. Step 6: Final answer
    x = 6,889.13

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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.