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Finding the Fourth Proportional to 13,592.70, 18,756.67 and 7,623.22

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Solution

The fourth proportional to 13,592.70, 18,756.67 and 7,623.22 is: 10,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.70 : 18,756.67 = 7,623.22 : x
  2. Step 2: Convert to fraction form
    13,592.70/18,756.67 = 7,623.22/x
  3. Step 3: Cross multiply
    13,592.70x = 18,756.67 × 7,623.22
  4. Step 4: Simplify right side
    13,592.70x = 142,986,089.98
  5. Step 5: Solve for x
    x = 142,986,089.98/13,592.70
  6. Step 6: Final answer
    x = 10,519.33

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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.