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Finding the Fourth Proportional to 4,689.29, 7,033.95 and 1,766.81

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Solution

The fourth proportional to 4,689.29, 7,033.95 and 1,766.81 is: 2,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.29 : 7,033.95 = 1,766.81 : x
  2. Step 2: Convert to fraction form
    4,689.29/7,033.95 = 1,766.81/x
  3. Step 3: Cross multiply
    4,689.29x = 7,033.95 × 1,766.81
  4. Step 4: Simplify right side
    4,689.29x = 12,427,653.20
  5. Step 5: Solve for x
    x = 12,427,653.20/4,689.29
  6. Step 6: Final answer
    x = 2,650.22

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Similar ratio
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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.