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Finding the Fourth Proportional to 8,153.73, 12,230.37 and 2,607.03

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Solution

The fourth proportional to 8,153.73, 12,230.37 and 2,607.03 is: 3,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.73 : 12,230.37 = 2,607.03 : x
  2. Step 2: Convert to fraction form
    8,153.73/12,230.37 = 2,607.03/x
  3. Step 3: Cross multiply
    8,153.73x = 12,230.37 × 2,607.03
  4. Step 4: Simplify right side
    8,153.73x = 31,884,941.50
  5. Step 5: Solve for x
    x = 31,884,941.50/8,153.73
  6. Step 6: Final answer
    x = 3,910.47

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Half scale
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Double scale
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Similar ratio
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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.