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Finding the Fourth Proportional to 9,653.43, 14,479.95 and 3,079.53

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Solution

The fourth proportional to 9,653.43, 14,479.95 and 3,079.53 is: 4,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.43 : 14,479.95 = 3,079.53 : x
  2. Step 2: Convert to fraction form
    9,653.43/14,479.95 = 3,079.53/x
  3. Step 3: Cross multiply
    9,653.43x = 14,479.95 × 3,079.53
  4. Step 4: Simplify right side
    9,653.43x = 44,591,440.42
  5. Step 5: Solve for x
    x = 44,591,440.42/9,653.43
  6. Step 6: Final answer
    x = 4,619.23

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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.