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Finding the Fourth Proportional to 8,734.54, 12,053.80 and 4,755.72

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Solution

The fourth proportional to 8,734.54, 12,053.80 and 4,755.72 is: 6,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.54 : 12,053.80 = 4,755.72 : x
  2. Step 2: Convert to fraction form
    8,734.54/12,053.80 = 4,755.72/x
  3. Step 3: Cross multiply
    8,734.54x = 12,053.80 × 4,755.72
  4. Step 4: Simplify right side
    8,734.54x = 57,324,497.74
  5. Step 5: Solve for x
    x = 57,324,497.74/8,734.54
  6. Step 6: Final answer
    x = 6,562.97

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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.