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Finding the Fourth Proportional to 9,653.55, 14,479.11 and 3,080.40

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Solution

The fourth proportional to 9,653.55, 14,479.11 and 3,080.40 is: 4,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.55 : 14,479.11 = 3,080.40 : x
  2. Step 2: Convert to fraction form
    9,653.55/14,479.11 = 3,080.40/x
  3. Step 3: Cross multiply
    9,653.55x = 14,479.11 × 3,080.40
  4. Step 4: Simplify right side
    9,653.55x = 44,601,450.44
  5. Step 5: Solve for x
    x = 44,601,450.44/9,653.55
  6. Step 6: Final answer
    x = 4,620.21

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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.