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Finding the Fourth Proportional to 13,363.99, 20,048.03 and 9,693.93

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Solution

The fourth proportional to 13,363.99, 20,048.03 and 9,693.93 is: 14,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.99 : 20,048.03 = 9,693.93 : x
  2. Step 2: Convert to fraction form
    13,363.99/20,048.03 = 9,693.93/x
  3. Step 3: Cross multiply
    13,363.99x = 20,048.03 × 9,693.93
  4. Step 4: Simplify right side
    13,363.99x = 194,344,074.98
  5. Step 5: Solve for x
    x = 194,344,074.98/13,363.99
  6. Step 6: Final answer
    x = 14,542.37

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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.