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Finding the Fourth Proportional to 36,355.60, 54,533.40 and 16,672.60

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Solution

The fourth proportional to 36,355.60, 54,533.40 and 16,672.60 is: 25,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.60 : 54,533.40 = 16,672.60 : x
  2. Step 2: Convert to fraction form
    36,355.60/54,533.40 = 16,672.60/x
  3. Step 3: Cross multiply
    36,355.60x = 54,533.40 × 16,672.60
  4. Step 4: Simplify right side
    36,355.60x = 909,213,564.84
  5. Step 5: Solve for x
    x = 909,213,564.84/36,355.60
  6. Step 6: Final answer
    x = 25,008.90

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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.