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Finding the Fourth Proportional to 9,393.99, 14,091.25 and 2,820.18

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Solution

The fourth proportional to 9,393.99, 14,091.25 and 2,820.18 is: 4,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.99 : 14,091.25 = 2,820.18 : x
  2. Step 2: Convert to fraction form
    9,393.99/14,091.25 = 2,820.18/x
  3. Step 3: Cross multiply
    9,393.99x = 14,091.25 × 2,820.18
  4. Step 4: Simplify right side
    9,393.99x = 39,739,861.43
  5. Step 5: Solve for x
    x = 39,739,861.43/9,393.99
  6. Step 6: Final answer
    x = 4,230.35

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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.