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Finding the Fourth Proportional to 64,119.74, 88,484.81 and 35,825.49

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Solution

The fourth proportional to 64,119.74, 88,484.81 and 35,825.49 is: 49,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.74 : 88,484.81 = 35,825.49 : x
  2. Step 2: Convert to fraction form
    64,119.74/88,484.81 = 35,825.49/x
  3. Step 3: Cross multiply
    64,119.74x = 88,484.81 × 35,825.49
  4. Step 4: Simplify right side
    64,119.74x = 3,170,011,496.68
  5. Step 5: Solve for x
    x = 3,170,011,496.68/64,119.74
  6. Step 6: Final answer
    x = 49,438.94

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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.