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Finding the Fourth Proportional to 15,996.97, 22,075.90 and 8,826.97

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Solution

The fourth proportional to 15,996.97, 22,075.90 and 8,826.97 is: 12,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.97 : 22,075.90 = 8,826.97 : x
  2. Step 2: Convert to fraction form
    15,996.97/22,075.90 = 8,826.97/x
  3. Step 3: Cross multiply
    15,996.97x = 22,075.90 × 8,826.97
  4. Step 4: Simplify right side
    15,996.97x = 194,863,307.02
  5. Step 5: Solve for x
    x = 194,863,307.02/15,996.97
  6. Step 6: Final answer
    x = 12,181.26

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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.