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Finding the Fourth Proportional to 64,842.94, 89,483.26 and 35,034.94

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Solution

The fourth proportional to 64,842.94, 89,483.26 and 35,034.94 is: 48,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.94 : 89,483.26 = 35,034.94 : x
  2. Step 2: Convert to fraction form
    64,842.94/89,483.26 = 35,034.94/x
  3. Step 3: Cross multiply
    64,842.94x = 89,483.26 × 35,034.94
  4. Step 4: Simplify right side
    64,842.94x = 3,135,040,333.81
  5. Step 5: Solve for x
    x = 3,135,040,333.81/64,842.94
  6. Step 6: Final answer
    x = 48,348.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.