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Finding the Fourth Proportional to 7,793.54, 10,754.70 and 4,809.68

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Solution

The fourth proportional to 7,793.54, 10,754.70 and 4,809.68 is: 6,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.54 : 10,754.70 = 4,809.68 : x
  2. Step 2: Convert to fraction form
    7,793.54/10,754.70 = 4,809.68/x
  3. Step 3: Cross multiply
    7,793.54x = 10,754.70 × 4,809.68
  4. Step 4: Simplify right side
    7,793.54x = 51,726,665.50
  5. Step 5: Solve for x
    x = 51,726,665.50/7,793.54
  6. Step 6: Final answer
    x = 6,637.12

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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.