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Finding the Fourth Proportional to 18,163.01, 25,056.06 and 11,077.13

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Solution

The fourth proportional to 18,163.01, 25,056.06 and 11,077.13 is: 15,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.01 : 25,056.06 = 11,077.13 : x
  2. Step 2: Convert to fraction form
    18,163.01/25,056.06 = 11,077.13/x
  3. Step 3: Cross multiply
    18,163.01x = 25,056.06 × 11,077.13
  4. Step 4: Simplify right side
    18,163.01x = 277,549,233.91
  5. Step 5: Solve for x
    x = 277,549,233.91/18,163.01
  6. Step 6: Final answer
    x = 15,281.02

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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.