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Finding the Fourth Proportional to 6,269.84, 8,652.68 and 3,617.60

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Solution

The fourth proportional to 6,269.84, 8,652.68 and 3,617.60 is: 4,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.84 : 8,652.68 = 3,617.60 : x
  2. Step 2: Convert to fraction form
    6,269.84/8,652.68 = 3,617.60/x
  3. Step 3: Cross multiply
    6,269.84x = 8,652.68 × 3,617.60
  4. Step 4: Simplify right side
    6,269.84x = 31,301,935.17
  5. Step 5: Solve for x
    x = 31,301,935.17/6,269.84
  6. Step 6: Final answer
    x = 4,992.46

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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.