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Finding the Fourth Proportional to 13,082.63, 18,050.03 and 7,416.47

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Solution

The fourth proportional to 13,082.63, 18,050.03 and 7,416.47 is: 10,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.63 : 18,050.03 = 7,416.47 : x
  2. Step 2: Convert to fraction form
    13,082.63/18,050.03 = 7,416.47/x
  3. Step 3: Cross multiply
    13,082.63x = 18,050.03 × 7,416.47
  4. Step 4: Simplify right side
    13,082.63x = 133,867,505.99
  5. Step 5: Solve for x
    x = 133,867,505.99/13,082.63
  6. Step 6: Final answer
    x = 10,232.46

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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.