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Finding the Fourth Proportional to 13,573.92, 18,561.01 and 13,573.92

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Solution

The fourth proportional to 13,573.92, 18,561.01 and 13,573.92 is: 18,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.92 : 18,561.01 = 13,573.92 : x
  2. Step 2: Convert to fraction form
    13,573.92/18,561.01 = 13,573.92/x
  3. Step 3: Cross multiply
    13,573.92x = 18,561.01 × 13,573.92
  4. Step 4: Simplify right side
    13,573.92x = 251,945,664.86
  5. Step 5: Solve for x
    x = 251,945,664.86/13,573.92
  6. Step 6: Final answer
    x = 18,561.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.