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Finding the Fourth Proportional to 6,216.59, 9,318.12 and 3,098.90

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Solution

The fourth proportional to 6,216.59, 9,318.12 and 3,098.90 is: 4,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.59 : 9,318.12 = 3,098.90 : x
  2. Step 2: Convert to fraction form
    6,216.59/9,318.12 = 3,098.90/x
  3. Step 3: Cross multiply
    6,216.59x = 9,318.12 × 3,098.90
  4. Step 4: Simplify right side
    6,216.59x = 28,875,922.07
  5. Step 5: Solve for x
    x = 28,875,922.07/6,216.59
  6. Step 6: Final answer
    x = 4,644.98

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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.