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Finding the Fourth Proportional to 29,928.60, 44,892.90 and 13,288.60

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Solution

The fourth proportional to 29,928.60, 44,892.90 and 13,288.60 is: 19,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,928.60 : 44,892.90 = 13,288.60 : x
  2. Step 2: Convert to fraction form
    29,928.60/44,892.90 = 13,288.60/x
  3. Step 3: Cross multiply
    29,928.60x = 44,892.90 × 13,288.60
  4. Step 4: Simplify right side
    29,928.60x = 596,563,790.94
  5. Step 5: Solve for x
    x = 596,563,790.94/29,928.60
  6. Step 6: Final answer
    x = 19,932.90

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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.