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Finding the Fourth Proportional to 51,352.96, 70,863.92 and 29,839.36

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Solution

The fourth proportional to 51,352.96, 70,863.92 and 29,839.36 is: 41,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.96 : 70,863.92 = 29,839.36 : x
  2. Step 2: Convert to fraction form
    51,352.96/70,863.92 = 29,839.36/x
  3. Step 3: Cross multiply
    51,352.96x = 70,863.92 × 29,839.36
  4. Step 4: Simplify right side
    51,352.96x = 2,114,534,019.89
  5. Step 5: Solve for x
    x = 2,114,534,019.89/51,352.96
  6. Step 6: Final answer
    x = 41,176.48

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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.