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Finding the Fourth Proportional to 29,812.96, 44,739.96 and 12,282.76

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Solution

The fourth proportional to 29,812.96, 44,739.96 and 12,282.76 is: 18,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.96 : 44,739.96 = 12,282.76 : x
  2. Step 2: Convert to fraction form
    29,812.96/44,739.96 = 12,282.76/x
  3. Step 3: Cross multiply
    29,812.96x = 44,739.96 × 12,282.76
  4. Step 4: Simplify right side
    29,812.96x = 549,530,191.09
  5. Step 5: Solve for x
    x = 549,530,191.09/29,812.96
  6. Step 6: Final answer
    x = 18,432.59

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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.