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Finding the Fourth Proportional to 18,599.42, 25,663.14 and 11,048.24

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Solution

The fourth proportional to 18,599.42, 25,663.14 and 11,048.24 is: 15,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.42 : 25,663.14 = 11,048.24 : x
  2. Step 2: Convert to fraction form
    18,599.42/25,663.14 = 11,048.24/x
  3. Step 3: Cross multiply
    18,599.42x = 25,663.14 × 11,048.24
  4. Step 4: Simplify right side
    18,599.42x = 283,532,529.87
  5. Step 5: Solve for x
    x = 283,532,529.87/18,599.42
  6. Step 6: Final answer
    x = 15,244.16

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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.