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Finding the Fourth Proportional to 6,154.52, 8,491.23 and 3,636.70

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Solution

The fourth proportional to 6,154.52, 8,491.23 and 3,636.70 is: 5,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.52 : 8,491.23 = 3,636.70 : x
  2. Step 2: Convert to fraction form
    6,154.52/8,491.23 = 3,636.70/x
  3. Step 3: Cross multiply
    6,154.52x = 8,491.23 × 3,636.70
  4. Step 4: Simplify right side
    6,154.52x = 30,880,034.91
  5. Step 5: Solve for x
    x = 30,880,034.91/6,154.52
  6. Step 6: Final answer
    x = 5,017.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.