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Finding the Fourth Proportional to 14,660.70, 21,991.98 and 5,894.40

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Solution

The fourth proportional to 14,660.70, 21,991.98 and 5,894.40 is: 8,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.70 : 21,991.98 = 5,894.40 : x
  2. Step 2: Convert to fraction form
    14,660.70/21,991.98 = 5,894.40/x
  3. Step 3: Cross multiply
    14,660.70x = 21,991.98 × 5,894.40
  4. Step 4: Simplify right side
    14,660.70x = 129,629,526.91
  5. Step 5: Solve for x
    x = 129,629,526.91/14,660.70
  6. Step 6: Final answer
    x = 8,841.97

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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.