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Finding the Fourth Proportional to 3,331.59, 4,998.00 and 1,666.59

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Solution

The fourth proportional to 3,331.59, 4,998.00 and 1,666.59 is: 2,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.59 : 4,998.00 = 1,666.59 : x
  2. Step 2: Convert to fraction form
    3,331.59/4,998.00 = 1,666.59/x
  3. Step 3: Cross multiply
    3,331.59x = 4,998.00 × 1,666.59
  4. Step 4: Simplify right side
    3,331.59x = 8,329,608.49
  5. Step 5: Solve for x
    x = 8,329,608.49/3,331.59
  6. Step 6: Final answer
    x = 2,500.19

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Half scale
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Double scale
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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.