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Finding the Fourth Proportional to 9,653.76, 14,480.49 and 3,079.91

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Solution

The fourth proportional to 9,653.76, 14,480.49 and 3,079.91 is: 4,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.76 : 14,480.49 = 3,079.91 : x
  2. Step 2: Convert to fraction form
    9,653.76/14,480.49 = 3,079.91/x
  3. Step 3: Cross multiply
    9,653.76x = 14,480.49 × 3,079.91
  4. Step 4: Simplify right side
    9,653.76x = 44,598,533.55
  5. Step 5: Solve for x
    x = 44,598,533.55/9,653.76
  6. Step 6: Final answer
    x = 4,619.81

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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.