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Finding the Fourth Proportional to 7,166.80, 10,751.56 and 2,486.62

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Solution

The fourth proportional to 7,166.80, 10,751.56 and 2,486.62 is: 3,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.80 : 10,751.56 = 2,486.62 : x
  2. Step 2: Convert to fraction form
    7,166.80/10,751.56 = 2,486.62/x
  3. Step 3: Cross multiply
    7,166.80x = 10,751.56 × 2,486.62
  4. Step 4: Simplify right side
    7,166.80x = 26,735,044.13
  5. Step 5: Solve for x
    x = 26,735,044.13/7,166.80
  6. Step 6: Final answer
    x = 3,730.40

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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.