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Finding the Fourth Proportional to 63,503.95, 95,243.77 and 31,905.25

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Solution

The fourth proportional to 63,503.95, 95,243.77 and 31,905.25 is: 47,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.95 : 95,243.77 = 31,905.25 : x
  2. Step 2: Convert to fraction form
    63,503.95/95,243.77 = 31,905.25/x
  3. Step 3: Cross multiply
    63,503.95x = 95,243.77 × 31,905.25
  4. Step 4: Simplify right side
    63,503.95x = 3,038,776,853.98
  5. Step 5: Solve for x
    x = 3,038,776,853.98/63,503.95
  6. Step 6: Final answer
    x = 47,851.78

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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.