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Finding the Fourth Proportional to 38,060, 57,093.60 and 13,099.04

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Solution

The fourth proportional to 38,060, 57,093.60 and 13,099.04 is: 19,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,060 : 57,093.60 = 13,099.04 : x
  2. Step 2: Convert to fraction form
    38,060/57,093.60 = 13,099.04/x
  3. Step 3: Cross multiply
    38,060x = 57,093.60 × 13,099.04
  4. Step 4: Simplify right side
    38,060x = 747,871,350.14
  5. Step 5: Solve for x
    x = 747,871,350.14/38,060
  6. Step 6: Final answer
    x = 19,649.80

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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.