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Finding the Fourth Proportional to 64,411.43, 88,892.49 and 35,735.60

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Solution

The fourth proportional to 64,411.43, 88,892.49 and 35,735.60 is: 49,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,411.43 : 88,892.49 = 35,735.60 : x
  2. Step 2: Convert to fraction form
    64,411.43/88,892.49 = 35,735.60/x
  3. Step 3: Cross multiply
    64,411.43x = 88,892.49 × 35,735.60
  4. Step 4: Simplify right side
    64,411.43x = 3,176,626,021.18
  5. Step 5: Solve for x
    x = 3,176,626,021.18/64,411.43
  6. Step 6: Final answer
    x = 49,317.74

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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.