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Finding the Fourth Proportional to 8,075.00, 11,144.78 and 4,717.77

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Solution

The fourth proportional to 8,075.00, 11,144.78 and 4,717.77 is: 6,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.00 : 11,144.78 = 4,717.77 : x
  2. Step 2: Convert to fraction form
    8,075.00/11,144.78 = 4,717.77/x
  3. Step 3: Cross multiply
    8,075.00x = 11,144.78 × 4,717.77
  4. Step 4: Simplify right side
    8,075.00x = 52,578,485.15
  5. Step 5: Solve for x
    x = 52,578,485.15/8,075.00
  6. Step 6: Final answer
    x = 6,511.27

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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.