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Finding the Fourth Proportional to 64,383.49, 88,847.61 and 35,703.28

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Solution

The fourth proportional to 64,383.49, 88,847.61 and 35,703.28 is: 49,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.49 : 88,847.61 = 35,703.28 : x
  2. Step 2: Convert to fraction form
    64,383.49/88,847.61 = 35,703.28/x
  3. Step 3: Cross multiply
    64,383.49x = 88,847.61 × 35,703.28
  4. Step 4: Simplify right side
    64,383.49x = 3,172,151,097.16
  5. Step 5: Solve for x
    x = 3,172,151,097.16/64,383.49
  6. Step 6: Final answer
    x = 49,269.64

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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.