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Finding the Fourth Proportional to 5,998.05, 8,996.25 and 1,615.77

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Solution

The fourth proportional to 5,998.05, 8,996.25 and 1,615.77 is: 2,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.05 : 8,996.25 = 1,615.77 : x
  2. Step 2: Convert to fraction form
    5,998.05/8,996.25 = 1,615.77/x
  3. Step 3: Cross multiply
    5,998.05x = 8,996.25 × 1,615.77
  4. Step 4: Simplify right side
    5,998.05x = 14,535,870.86
  5. Step 5: Solve for x
    x = 14,535,870.86/5,998.05
  6. Step 6: Final answer
    x = 2,423.43

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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.