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Finding the Fourth Proportional to 8,482.48, 12,723.70 and 3,288.34

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Solution

The fourth proportional to 8,482.48, 12,723.70 and 3,288.34 is: 4,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.48 : 12,723.70 = 3,288.34 : x
  2. Step 2: Convert to fraction form
    8,482.48/12,723.70 = 3,288.34/x
  3. Step 3: Cross multiply
    8,482.48x = 12,723.70 × 3,288.34
  4. Step 4: Simplify right side
    8,482.48x = 41,839,851.66
  5. Step 5: Solve for x
    x = 41,839,851.66/8,482.48
  6. Step 6: Final answer
    x = 4,932.50

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1.5x scale

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.