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Finding the Fourth Proportional to 3,666.09, 5,499.05 and 892.77

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Solution

The fourth proportional to 3,666.09, 5,499.05 and 892.77 is: 1,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.09 : 5,499.05 = 892.77 : x
  2. Step 2: Convert to fraction form
    3,666.09/5,499.05 = 892.77/x
  3. Step 3: Cross multiply
    3,666.09x = 5,499.05 × 892.77
  4. Step 4: Simplify right side
    3,666.09x = 4,909,386.87
  5. Step 5: Solve for x
    x = 4,909,386.87/3,666.09
  6. Step 6: Final answer
    x = 1,339.14

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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.