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Finding the Fourth Proportional to 8,779.52, 13,166.54 and 2,934.77

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Solution

The fourth proportional to 8,779.52, 13,166.54 and 2,934.77 is: 4,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.52 : 13,166.54 = 2,934.77 : x
  2. Step 2: Convert to fraction form
    8,779.52/13,166.54 = 2,934.77/x
  3. Step 3: Cross multiply
    8,779.52x = 13,166.54 × 2,934.77
  4. Step 4: Simplify right side
    8,779.52x = 38,640,686.09
  5. Step 5: Solve for x
    x = 38,640,686.09/8,779.52
  6. Step 6: Final answer
    x = 4,401.23

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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.