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Finding the Fourth Proportional to 11,008.70, 16,525.20 and 6,075.80

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Solution

The fourth proportional to 11,008.70, 16,525.20 and 6,075.80 is: 9,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.70 : 16,525.20 = 6,075.80 : x
  2. Step 2: Convert to fraction form
    11,008.70/16,525.20 = 6,075.80/x
  3. Step 3: Cross multiply
    11,008.70x = 16,525.20 × 6,075.80
  4. Step 4: Simplify right side
    11,008.70x = 100,403,810.16
  5. Step 5: Solve for x
    x = 100,403,810.16/11,008.70
  6. Step 6: Final answer
    x = 9,120.41

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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.