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Finding the Fourth Proportional to 66,453.60, 99,541.94 and 33,072.44

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Solution

The fourth proportional to 66,453.60, 99,541.94 and 33,072.44 is: 49,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.60 : 99,541.94 = 33,072.44 : x
  2. Step 2: Convert to fraction form
    66,453.60/99,541.94 = 33,072.44/x
  3. Step 3: Cross multiply
    66,453.60x = 99,541.94 × 33,072.44
  4. Step 4: Simplify right side
    66,453.60x = 3,292,094,838.13
  5. Step 5: Solve for x
    x = 3,292,094,838.13/66,453.60
  6. Step 6: Final answer
    x = 49,539.75

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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.