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Finding the Fourth Proportional to 11,166.08, 16,751.92 and 7,885.58

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Solution

The fourth proportional to 11,166.08, 16,751.92 and 7,885.58 is: 11,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.08 : 16,751.92 = 7,885.58 : x
  2. Step 2: Convert to fraction form
    11,166.08/16,751.92 = 7,885.58/x
  3. Step 3: Cross multiply
    11,166.08x = 16,751.92 × 7,885.58
  4. Step 4: Simplify right side
    11,166.08x = 132,098,605.31
  5. Step 5: Solve for x
    x = 132,098,605.31/11,166.08
  6. Step 6: Final answer
    x = 11,830.35

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1.5x scale

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.