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Finding the Fourth Proportional to 64,265.78, 88,686.76 and 35,971.46

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Solution

The fourth proportional to 64,265.78, 88,686.76 and 35,971.46 is: 49,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,265.78 : 88,686.76 = 35,971.46 : x
  2. Step 2: Convert to fraction form
    64,265.78/88,686.76 = 35,971.46/x
  3. Step 3: Cross multiply
    64,265.78x = 88,686.76 × 35,971.46
  4. Step 4: Simplify right side
    64,265.78x = 3,190,192,239.87
  5. Step 5: Solve for x
    x = 3,190,192,239.87/64,265.78
  6. Step 6: Final answer
    x = 49,640.61

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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.