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Finding the Fourth Proportional to 14,975.46, 20,662.02 and 9,006.30

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Solution

The fourth proportional to 14,975.46, 20,662.02 and 9,006.30 is: 12,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.46 : 20,662.02 = 9,006.30 : x
  2. Step 2: Convert to fraction form
    14,975.46/20,662.02 = 9,006.30/x
  3. Step 3: Cross multiply
    14,975.46x = 20,662.02 × 9,006.30
  4. Step 4: Simplify right side
    14,975.46x = 186,088,350.73
  5. Step 5: Solve for x
    x = 186,088,350.73/14,975.46
  6. Step 6: Final answer
    x = 12,426.22

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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.