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Finding the Fourth Proportional to 51,993.51, 71,751.06 and 29,337.30

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Solution

The fourth proportional to 51,993.51, 71,751.06 and 29,337.30 is: 40,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.51 : 71,751.06 = 29,337.30 : x
  2. Step 2: Convert to fraction form
    51,993.51/71,751.06 = 29,337.30/x
  3. Step 3: Cross multiply
    51,993.51x = 71,751.06 × 29,337.30
  4. Step 4: Simplify right side
    51,993.51x = 2,104,982,478.57
  5. Step 5: Solve for x
    x = 2,104,982,478.57/51,993.51
  6. Step 6: Final answer
    x = 40,485.49

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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.