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Finding the Fourth Proportional to 8,939.49, 13,410.98 and 2,700.01

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Solution

The fourth proportional to 8,939.49, 13,410.98 and 2,700.01 is: 4,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.49 : 13,410.98 = 2,700.01 : x
  2. Step 2: Convert to fraction form
    8,939.49/13,410.98 = 2,700.01/x
  3. Step 3: Cross multiply
    8,939.49x = 13,410.98 × 2,700.01
  4. Step 4: Simplify right side
    8,939.49x = 36,209,780.11
  5. Step 5: Solve for x
    x = 36,209,780.11/8,939.49
  6. Step 6: Final answer
    x = 4,050.54

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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.