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Finding the Fourth Proportional to 12,502.92, 18,745.56 and 6,258.47

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Solution

The fourth proportional to 12,502.92, 18,745.56 and 6,258.47 is: 9,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.92 : 18,745.56 = 6,258.47 : x
  2. Step 2: Convert to fraction form
    12,502.92/18,745.56 = 6,258.47/x
  3. Step 3: Cross multiply
    12,502.92x = 18,745.56 × 6,258.47
  4. Step 4: Simplify right side
    12,502.92x = 117,318,431.17
  5. Step 5: Solve for x
    x = 117,318,431.17/12,502.92
  6. Step 6: Final answer
    x = 9,383.28

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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.