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Finding the Fourth Proportional to 60,104.64, 90,041.76 and 33,729.60

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Solution

The fourth proportional to 60,104.64, 90,041.76 and 33,729.60 is: 50,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,104.64 : 90,041.76 = 33,729.60 : x
  2. Step 2: Convert to fraction form
    60,104.64/90,041.76 = 33,729.60/x
  3. Step 3: Cross multiply
    60,104.64x = 90,041.76 × 33,729.60
  4. Step 4: Simplify right side
    60,104.64x = 3,037,072,548.10
  5. Step 5: Solve for x
    x = 3,037,072,548.10/60,104.64
  6. Step 6: Final answer
    x = 50,529.75

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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.