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Finding the Fourth Proportional to 34,407.96, 51,617.04 and 12,219.48

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Solution

The fourth proportional to 34,407.96, 51,617.04 and 12,219.48 is: 18,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,407.96 : 51,617.04 = 12,219.48 : x
  2. Step 2: Convert to fraction form
    34,407.96/51,617.04 = 12,219.48/x
  3. Step 3: Cross multiply
    34,407.96x = 51,617.04 × 12,219.48
  4. Step 4: Simplify right side
    34,407.96x = 630,733,387.94
  5. Step 5: Solve for x
    x = 630,733,387.94/34,407.96
  6. Step 6: Final answer
    x = 18,331.03

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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.