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Finding the Fourth Proportional to 30,530.58, 45,796.44 and 8,346.30

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Solution

The fourth proportional to 30,530.58, 45,796.44 and 8,346.30 is: 12,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.58 : 45,796.44 = 8,346.30 : x
  2. Step 2: Convert to fraction form
    30,530.58/45,796.44 = 8,346.30/x
  3. Step 3: Cross multiply
    30,530.58x = 45,796.44 × 8,346.30
  4. Step 4: Simplify right side
    30,530.58x = 382,230,827.17
  5. Step 5: Solve for x
    x = 382,230,827.17/30,530.58
  6. Step 6: Final answer
    x = 12,519.61

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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.