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Finding the Fourth Proportional to 64,498.25, 89,005.01 and 35,819.39

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Solution

The fourth proportional to 64,498.25, 89,005.01 and 35,819.39 is: 49,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,498.25 : 89,005.01 = 35,819.39 : x
  2. Step 2: Convert to fraction form
    64,498.25/89,005.01 = 35,819.39/x
  3. Step 3: Cross multiply
    64,498.25x = 89,005.01 × 35,819.39
  4. Step 4: Simplify right side
    64,498.25x = 3,188,104,541.02
  5. Step 5: Solve for x
    x = 3,188,104,541.02/64,498.25
  6. Step 6: Final answer
    x = 49,429.32

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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.