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Finding the Fourth Proportional to 18,130.59, 27,204.04 and 9,800.85

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Solution

The fourth proportional to 18,130.59, 27,204.04 and 9,800.85 is: 14,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.59 : 27,204.04 = 9,800.85 : x
  2. Step 2: Convert to fraction form
    18,130.59/27,204.04 = 9,800.85/x
  3. Step 3: Cross multiply
    18,130.59x = 27,204.04 × 9,800.85
  4. Step 4: Simplify right side
    18,130.59x = 266,622,829.70
  5. Step 5: Solve for x
    x = 266,622,829.70/18,130.59
  6. Step 6: Final answer
    x = 14,705.69

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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.