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Finding the Fourth Proportional to 64,236.50, 88,644.44 and 35,557.34

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Solution

The fourth proportional to 64,236.50, 88,644.44 and 35,557.34 is: 49,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,236.50 : 88,644.44 = 35,557.34 : x
  2. Step 2: Convert to fraction form
    64,236.50/88,644.44 = 35,557.34/x
  3. Step 3: Cross multiply
    64,236.50x = 88,644.44 × 35,557.34
  4. Step 4: Simplify right side
    64,236.50x = 3,151,960,137.86
  5. Step 5: Solve for x
    x = 3,151,960,137.86/64,236.50
  6. Step 6: Final answer
    x = 49,068.05

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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.