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Finding the Fourth Proportional to 64,679.64, 89,225.24 and 37,804.58

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Solution

The fourth proportional to 64,679.64, 89,225.24 and 37,804.58 is: 52,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.64 : 89,225.24 = 37,804.58 : x
  2. Step 2: Convert to fraction form
    64,679.64/89,225.24 = 37,804.58/x
  3. Step 3: Cross multiply
    64,679.64x = 89,225.24 × 37,804.58
  4. Step 4: Simplify right side
    64,679.64x = 3,373,122,723.60
  5. Step 5: Solve for x
    x = 3,373,122,723.60/64,679.64
  6. Step 6: Final answer
    x = 52,151.23

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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.