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Finding the Fourth Proportional to 18,160.52, 25,063.12 and 10,204.68

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Solution

The fourth proportional to 18,160.52, 25,063.12 and 10,204.68 is: 14,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.52 : 25,063.12 = 10,204.68 : x
  2. Step 2: Convert to fraction form
    18,160.52/25,063.12 = 10,204.68/x
  3. Step 3: Cross multiply
    18,160.52x = 25,063.12 × 10,204.68
  4. Step 4: Simplify right side
    18,160.52x = 255,761,119.40
  5. Step 5: Solve for x
    x = 255,761,119.40/18,160.52
  6. Step 6: Final answer
    x = 14,083.36

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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.