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Finding the Fourth Proportional to 64,239.75, 88,650.99 and 35,945.37

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Solution

The fourth proportional to 64,239.75, 88,650.99 and 35,945.37 is: 49,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.75 : 88,650.99 = 35,945.37 : x
  2. Step 2: Convert to fraction form
    64,239.75/88,650.99 = 35,945.37/x
  3. Step 3: Cross multiply
    64,239.75x = 88,650.99 × 35,945.37
  4. Step 4: Simplify right side
    64,239.75x = 3,186,592,636.42
  5. Step 5: Solve for x
    x = 3,186,592,636.42/64,239.75
  6. Step 6: Final answer
    x = 49,604.69

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1.5x scale

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.