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Finding the Fourth Proportional to 29,487.70, 44,235.60 and 10,763.20

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Solution

The fourth proportional to 29,487.70, 44,235.60 and 10,763.20 is: 16,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.70 : 44,235.60 = 10,763.20 : x
  2. Step 2: Convert to fraction form
    29,487.70/44,235.60 = 10,763.20/x
  3. Step 3: Cross multiply
    29,487.70x = 44,235.60 × 10,763.20
  4. Step 4: Simplify right side
    29,487.70x = 476,116,609.92
  5. Step 5: Solve for x
    x = 476,116,609.92/29,487.70
  6. Step 6: Final answer
    x = 16,146.28

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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.