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Finding the Fourth Proportional to 64,871.26, 89,470.50 and 44,723.52

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Solution

The fourth proportional to 64,871.26, 89,470.50 and 44,723.52 is: 61,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,871.26 : 89,470.50 = 44,723.52 : x
  2. Step 2: Convert to fraction form
    64,871.26/89,470.50 = 44,723.52/x
  3. Step 3: Cross multiply
    64,871.26x = 89,470.50 × 44,723.52
  4. Step 4: Simplify right side
    64,871.26x = 4,001,435,696.16
  5. Step 5: Solve for x
    x = 4,001,435,696.16/64,871.26
  6. Step 6: Final answer
    x = 61,682.72

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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.