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Finding the Fourth Proportional to 64,484.35, 88,993.71 and 35,805.79

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Solution

The fourth proportional to 64,484.35, 88,993.71 and 35,805.79 is: 49,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.35 : 88,993.71 = 35,805.79 : x
  2. Step 2: Convert to fraction form
    64,484.35/88,993.71 = 35,805.79/x
  3. Step 3: Cross multiply
    64,484.35x = 88,993.71 × 35,805.79
  4. Step 4: Simplify right side
    64,484.35x = 3,186,489,869.10
  5. Step 5: Solve for x
    x = 3,186,489,869.10/64,484.35
  6. Step 6: Final answer
    x = 49,414.94

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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.