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Finding the Fourth Proportional to 14,903.97, 20,561.58 and 9,601.88

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Solution

The fourth proportional to 14,903.97, 20,561.58 and 9,601.88 is: 13,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.97 : 20,561.58 = 9,601.88 : x
  2. Step 2: Convert to fraction form
    14,903.97/20,561.58 = 9,601.88/x
  3. Step 3: Cross multiply
    14,903.97x = 20,561.58 × 9,601.88
  4. Step 4: Simplify right side
    14,903.97x = 197,429,720.96
  5. Step 5: Solve for x
    x = 197,429,720.96/14,903.97
  6. Step 6: Final answer
    x = 13,246.79

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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.