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Finding the Fourth Proportional to 43,995.29, 65,955.86 and 29,915.87

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Solution

The fourth proportional to 43,995.29, 65,955.86 and 29,915.87 is: 44,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.29 : 65,955.86 = 29,915.87 : x
  2. Step 2: Convert to fraction form
    43,995.29/65,955.86 = 29,915.87/x
  3. Step 3: Cross multiply
    43,995.29x = 65,955.86 × 29,915.87
  4. Step 4: Simplify right side
    43,995.29x = 1,973,126,783.92
  5. Step 5: Solve for x
    x = 1,973,126,783.92/43,995.29
  6. Step 6: Final answer
    x = 44,848.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.