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Finding the Fourth Proportional to 64,239.60, 88,653.12 and 35,944.68

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Solution

The fourth proportional to 64,239.60, 88,653.12 and 35,944.68 is: 49,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.60 : 88,653.12 = 35,944.68 : x
  2. Step 2: Convert to fraction form
    64,239.60/88,653.12 = 35,944.68/x
  3. Step 3: Cross multiply
    64,239.60x = 88,653.12 × 35,944.68
  4. Step 4: Simplify right side
    64,239.60x = 3,186,608,029.40
  5. Step 5: Solve for x
    x = 3,186,608,029.40/64,239.60
  6. Step 6: Final answer
    x = 49,605.04

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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.