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Finding the Fourth Proportional to 6,153.12, 8,491.02 and 3,500.49

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Solution

The fourth proportional to 6,153.12, 8,491.02 and 3,500.49 is: 4,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.12 : 8,491.02 = 3,500.49 : x
  2. Step 2: Convert to fraction form
    6,153.12/8,491.02 = 3,500.49/x
  3. Step 3: Cross multiply
    6,153.12x = 8,491.02 × 3,500.49
  4. Step 4: Simplify right side
    6,153.12x = 29,722,730.60
  5. Step 5: Solve for x
    x = 29,722,730.60/6,153.12
  6. Step 6: Final answer
    x = 4,830.51

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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.