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Finding the Fourth Proportional to 14,849.58, 20,489.04 and 8,880.24

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Solution

The fourth proportional to 14,849.58, 20,489.04 and 8,880.24 is: 12,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.58 : 20,489.04 = 8,880.24 : x
  2. Step 2: Convert to fraction form
    14,849.58/20,489.04 = 8,880.24/x
  3. Step 3: Cross multiply
    14,849.58x = 20,489.04 × 8,880.24
  4. Step 4: Simplify right side
    14,849.58x = 181,947,592.57
  5. Step 5: Solve for x
    x = 181,947,592.57/14,849.58
  6. Step 6: Final answer
    x = 12,252.71

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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.