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Finding the Fourth Proportional to 18,102.01, 27,156.64 and 6,256.22

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Solution

The fourth proportional to 18,102.01, 27,156.64 and 6,256.22 is: 9,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.01 : 27,156.64 = 6,256.22 : x
  2. Step 2: Convert to fraction form
    18,102.01/27,156.64 = 6,256.22/x
  3. Step 3: Cross multiply
    18,102.01x = 27,156.64 × 6,256.22
  4. Step 4: Simplify right side
    18,102.01x = 169,897,914.30
  5. Step 5: Solve for x
    x = 169,897,914.30/18,102.01
  6. Step 6: Final answer
    x = 9,385.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.