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Finding the Fourth Proportional to 14,713.94, 20,303.72 and 9,049.04

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Solution

The fourth proportional to 14,713.94, 20,303.72 and 9,049.04 is: 12,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.94 : 20,303.72 = 9,049.04 : x
  2. Step 2: Convert to fraction form
    14,713.94/20,303.72 = 9,049.04/x
  3. Step 3: Cross multiply
    14,713.94x = 20,303.72 × 9,049.04
  4. Step 4: Simplify right side
    14,713.94x = 183,729,174.43
  5. Step 5: Solve for x
    x = 183,729,174.43/14,713.94
  6. Step 6: Final answer
    x = 12,486.74

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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.