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Finding the Fourth Proportional to 29,680.98, 44,525.88 and 8,621.20

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Solution

The fourth proportional to 29,680.98, 44,525.88 and 8,621.20 is: 12,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.98 : 44,525.88 = 8,621.20 : x
  2. Step 2: Convert to fraction form
    29,680.98/44,525.88 = 8,621.20/x
  3. Step 3: Cross multiply
    29,680.98x = 44,525.88 × 8,621.20
  4. Step 4: Simplify right side
    29,680.98x = 383,866,516.66
  5. Step 5: Solve for x
    x = 383,866,516.66/29,680.98
  6. Step 6: Final answer
    x = 12,933.08

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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.