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Finding the Fourth Proportional to 64,833.79, 89,470.65 and 35,025.79

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Solution

The fourth proportional to 64,833.79, 89,470.65 and 35,025.79 is: 48,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,833.79 : 89,470.65 = 35,025.79 : x
  2. Step 2: Convert to fraction form
    64,833.79/89,470.65 = 35,025.79/x
  3. Step 3: Cross multiply
    64,833.79x = 89,470.65 × 35,025.79
  4. Step 4: Simplify right side
    64,833.79x = 3,133,780,198.06
  5. Step 5: Solve for x
    x = 3,133,780,198.06/64,833.79
  6. Step 6: Final answer
    x = 48,335.60

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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.