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Finding the Fourth Proportional to 8,482.98, 12,722.28 and 3,800.34

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Solution

The fourth proportional to 8,482.98, 12,722.28 and 3,800.34 is: 5,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.98 : 12,722.28 = 3,800.34 : x
  2. Step 2: Convert to fraction form
    8,482.98/12,722.28 = 3,800.34/x
  3. Step 3: Cross multiply
    8,482.98x = 12,722.28 × 3,800.34
  4. Step 4: Simplify right side
    8,482.98x = 48,348,989.58
  5. Step 5: Solve for x
    x = 48,348,989.58/8,482.98
  6. Step 6: Final answer
    x = 5,699.53

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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.