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Finding the Fourth Proportional to 66,951.60, 100,357.31 and 22,563.01

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Solution

The fourth proportional to 66,951.60, 100,357.31 and 22,563.01 is: 33,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.60 : 100,357.31 = 22,563.01 : x
  2. Step 2: Convert to fraction form
    66,951.60/100,357.31 = 22,563.01/x
  3. Step 3: Cross multiply
    66,951.60x = 100,357.31 × 22,563.01
  4. Step 4: Simplify right side
    66,951.60x = 2,264,362,989.10
  5. Step 5: Solve for x
    x = 2,264,362,989.10/66,951.60
  6. Step 6: Final answer
    x = 33,820.89

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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.