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Finding the Fourth Proportional to 29,699.54, 44,563.94 and 13,905.63

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Solution

The fourth proportional to 29,699.54, 44,563.94 and 13,905.63 is: 20,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.54 : 44,563.94 = 13,905.63 : x
  2. Step 2: Convert to fraction form
    29,699.54/44,563.94 = 13,905.63/x
  3. Step 3: Cross multiply
    29,699.54x = 44,563.94 × 13,905.63
  4. Step 4: Simplify right side
    29,699.54x = 619,689,591.45
  5. Step 5: Solve for x
    x = 619,689,591.45/29,699.54
  6. Step 6: Final answer
    x = 20,865.30

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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.