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Finding the Fourth Proportional to 64,056.18, 95,955.48 and 31,938.34

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Solution

The fourth proportional to 64,056.18, 95,955.48 and 31,938.34 is: 47,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,056.18 : 95,955.48 = 31,938.34 : x
  2. Step 2: Convert to fraction form
    64,056.18/95,955.48 = 31,938.34/x
  3. Step 3: Cross multiply
    64,056.18x = 95,955.48 × 31,938.34
  4. Step 4: Simplify right side
    64,056.18x = 3,064,658,745.10
  5. Step 5: Solve for x
    x = 3,064,658,745.10/64,056.18
  6. Step 6: Final answer
    x = 47,843.30

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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.