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Finding the Fourth Proportional to 14,669.70, 22,006.97 and 7,274.40

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Solution

The fourth proportional to 14,669.70, 22,006.97 and 7,274.40 is: 10,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.70 : 22,006.97 = 7,274.40 : x
  2. Step 2: Convert to fraction form
    14,669.70/22,006.97 = 7,274.40/x
  3. Step 3: Cross multiply
    14,669.70x = 22,006.97 × 7,274.40
  4. Step 4: Simplify right side
    14,669.70x = 160,087,502.57
  5. Step 5: Solve for x
    x = 160,087,502.57/14,669.70
  6. Step 6: Final answer
    x = 10,912.80

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1.5x scale

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.