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Finding the Fourth Proportional to 16,124.70, 23,991.94 and 15,722.94

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Solution

The fourth proportional to 16,124.70, 23,991.94 and 15,722.94 is: 23,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.70 : 23,991.94 = 15,722.94 : x
  2. Step 2: Convert to fraction form
    16,124.70/23,991.94 = 15,722.94/x
  3. Step 3: Cross multiply
    16,124.70x = 23,991.94 × 15,722.94
  4. Step 4: Simplify right side
    16,124.70x = 377,223,833.10
  5. Step 5: Solve for x
    x = 377,223,833.10/16,124.70
  6. Step 6: Final answer
    x = 23,394.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.