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Finding the Fourth Proportional to 64,343.76, 88,795.38 and 37,485.60

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Solution

The fourth proportional to 64,343.76, 88,795.38 and 37,485.60 is: 51,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.76 : 88,795.38 = 37,485.60 : x
  2. Step 2: Convert to fraction form
    64,343.76/88,795.38 = 37,485.60/x
  3. Step 3: Cross multiply
    64,343.76x = 88,795.38 × 37,485.60
  4. Step 4: Simplify right side
    64,343.76x = 3,328,548,096.53
  5. Step 5: Solve for x
    x = 3,328,548,096.53/64,343.76
  6. Step 6: Final answer
    x = 51,730.71

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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.