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Finding the Fourth Proportional to 43,368.03, 64,873.85 and 34,620.03

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Solution

The fourth proportional to 43,368.03, 64,873.85 and 34,620.03 is: 51,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,368.03 : 64,873.85 = 34,620.03 : x
  2. Step 2: Convert to fraction form
    43,368.03/64,873.85 = 34,620.03/x
  3. Step 3: Cross multiply
    43,368.03x = 64,873.85 × 34,620.03
  4. Step 4: Simplify right side
    43,368.03x = 2,245,934,460.12
  5. Step 5: Solve for x
    x = 2,245,934,460.12/43,368.03
  6. Step 6: Final answer
    x = 51,787.79

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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.