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Finding the Fourth Proportional to 8,075.00, 11,143.08 and 4,490.19

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Solution

The fourth proportional to 8,075.00, 11,143.08 and 4,490.19 is: 6,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.00 : 11,143.08 = 4,490.19 : x
  2. Step 2: Convert to fraction form
    8,075.00/11,143.08 = 4,490.19/x
  3. Step 3: Cross multiply
    8,075.00x = 11,143.08 × 4,490.19
  4. Step 4: Simplify right side
    8,075.00x = 50,034,546.39
  5. Step 5: Solve for x
    x = 50,034,546.39/8,075.00
  6. Step 6: Final answer
    x = 6,196.23

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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.