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Finding the Fourth Proportional to 29,662.60, 44,472.30 and 12,123.40

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Solution

The fourth proportional to 29,662.60, 44,472.30 and 12,123.40 is: 18,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,662.60 : 44,472.30 = 12,123.40 : x
  2. Step 2: Convert to fraction form
    29,662.60/44,472.30 = 12,123.40/x
  3. Step 3: Cross multiply
    29,662.60x = 44,472.30 × 12,123.40
  4. Step 4: Simplify right side
    29,662.60x = 539,155,481.82
  5. Step 5: Solve for x
    x = 539,155,481.82/29,662.60
  6. Step 6: Final answer
    x = 18,176.27

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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.