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Finding the Fourth Proportional to 8,998.92, 12,421.68 and 5,933.01

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Solution

The fourth proportional to 8,998.92, 12,421.68 and 5,933.01 is: 8,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.92 : 12,421.68 = 5,933.01 : x
  2. Step 2: Convert to fraction form
    8,998.92/12,421.68 = 5,933.01/x
  3. Step 3: Cross multiply
    8,998.92x = 12,421.68 × 5,933.01
  4. Step 4: Simplify right side
    8,998.92x = 73,697,951.66
  5. Step 5: Solve for x
    x = 73,697,951.66/8,998.92
  6. Step 6: Final answer
    x = 8,189.64

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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.