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Finding the Fourth Proportional to 7,068.92, 10,605.92 and 2,686.37

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Solution

The fourth proportional to 7,068.92, 10,605.92 and 2,686.37 is: 4,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.92 : 10,605.92 = 2,686.37 : x
  2. Step 2: Convert to fraction form
    7,068.92/10,605.92 = 2,686.37/x
  3. Step 3: Cross multiply
    7,068.92x = 10,605.92 × 2,686.37
  4. Step 4: Simplify right side
    7,068.92x = 28,491,358.85
  5. Step 5: Solve for x
    x = 28,491,358.85/7,068.92
  6. Step 6: Final answer
    x = 4,030.51

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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.