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Finding the Fourth Proportional to 8,840.40, 13,260.06 and 2,997.06

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Solution

The fourth proportional to 8,840.40, 13,260.06 and 2,997.06 is: 4,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.40 : 13,260.06 = 2,997.06 : x
  2. Step 2: Convert to fraction form
    8,840.40/13,260.06 = 2,997.06/x
  3. Step 3: Cross multiply
    8,840.40x = 13,260.06 × 2,997.06
  4. Step 4: Simplify right side
    8,840.40x = 39,741,195.42
  5. Step 5: Solve for x
    x = 39,741,195.42/8,840.40
  6. Step 6: Final answer
    x = 4,495.41

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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.