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Finding the Fourth Proportional to 30,393.99, 45,549.81 and 13,733.24

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Solution

The fourth proportional to 30,393.99, 45,549.81 and 13,733.24 is: 20,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.99 : 45,549.81 = 13,733.24 : x
  2. Step 2: Convert to fraction form
    30,393.99/45,549.81 = 13,733.24/x
  3. Step 3: Cross multiply
    30,393.99x = 45,549.81 × 13,733.24
  4. Step 4: Simplify right side
    30,393.99x = 625,546,244.94
  5. Step 5: Solve for x
    x = 625,546,244.94/30,393.99
  6. Step 6: Final answer
    x = 20,581.25

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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.