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Finding the Fourth Proportional to 64,535.54, 89,057.88 and 35,855.33

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Solution

The fourth proportional to 64,535.54, 89,057.88 and 35,855.33 is: 49,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,535.54 : 89,057.88 = 35,855.33 : x
  2. Step 2: Convert to fraction form
    64,535.54/89,057.88 = 35,855.33/x
  3. Step 3: Cross multiply
    64,535.54x = 89,057.88 × 35,855.33
  4. Step 4: Simplify right side
    64,535.54x = 3,193,199,231.21
  5. Step 5: Solve for x
    x = 3,193,199,231.21/64,535.54
  6. Step 6: Final answer
    x = 49,479.70

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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.