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Finding the Fourth Proportional to 12,053.54, 18,073.55 and 8,258.47

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Solution

The fourth proportional to 12,053.54, 18,073.55 and 8,258.47 is: 12,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.54 : 18,073.55 = 8,258.47 : x
  2. Step 2: Convert to fraction form
    12,053.54/18,073.55 = 8,258.47/x
  3. Step 3: Cross multiply
    12,053.54x = 18,073.55 × 8,258.47
  4. Step 4: Simplify right side
    12,053.54x = 149,259,845.93
  5. Step 5: Solve for x
    x = 149,259,845.93/12,053.54
  6. Step 6: Final answer
    x = 12,383.07

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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.