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Finding the Fourth Proportional to 8,833.56, 13,250.52 and 2,990.16

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Solution

The fourth proportional to 8,833.56, 13,250.52 and 2,990.16 is: 4,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.56 : 13,250.52 = 2,990.16 : x
  2. Step 2: Convert to fraction form
    8,833.56/13,250.52 = 2,990.16/x
  3. Step 3: Cross multiply
    8,833.56x = 13,250.52 × 2,990.16
  4. Step 4: Simplify right side
    8,833.56x = 39,621,174.88
  5. Step 5: Solve for x
    x = 39,621,174.88/8,833.56
  6. Step 6: Final answer
    x = 4,485.30

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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.