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Finding the Fourth Proportional to 18,500.01, 25,530.71 and 10,542.03

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Solution

The fourth proportional to 18,500.01, 25,530.71 and 10,542.03 is: 14,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.01 : 25,530.71 = 10,542.03 : x
  2. Step 2: Convert to fraction form
    18,500.01/25,530.71 = 10,542.03/x
  3. Step 3: Cross multiply
    18,500.01x = 25,530.71 × 10,542.03
  4. Step 4: Simplify right side
    18,500.01x = 269,145,458.03
  5. Step 5: Solve for x
    x = 269,145,458.03/18,500.01
  6. Step 6: Final answer
    x = 14,548.40

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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.