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Finding the Fourth Proportional to 29,262.80, 43,880.80 and 12,614.88

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Solution

The fourth proportional to 29,262.80, 43,880.80 and 12,614.88 is: 18,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.80 : 43,880.80 = 12,614.88 : x
  2. Step 2: Convert to fraction form
    29,262.80/43,880.80 = 12,614.88/x
  3. Step 3: Cross multiply
    29,262.80x = 43,880.80 × 12,614.88
  4. Step 4: Simplify right side
    29,262.80x = 553,551,026.30
  5. Step 5: Solve for x
    x = 553,551,026.30/29,262.80
  6. Step 6: Final answer
    x = 18,916.54

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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.