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Finding the Fourth Proportional to 7,671.73, 10,583.43 and 4,485.16

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Solution

The fourth proportional to 7,671.73, 10,583.43 and 4,485.16 is: 6,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.73 : 10,583.43 = 4,485.16 : x
  2. Step 2: Convert to fraction form
    7,671.73/10,583.43 = 4,485.16/x
  3. Step 3: Cross multiply
    7,671.73x = 10,583.43 × 4,485.16
  4. Step 4: Simplify right side
    7,671.73x = 47,468,376.90
  5. Step 5: Solve for x
    x = 47,468,376.90/7,671.73
  6. Step 6: Final answer
    x = 6,187.44

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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.