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Finding the Fourth Proportional to 29,928.60, 44,892.09 and 9,152.10

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Solution

The fourth proportional to 29,928.60, 44,892.09 and 9,152.10 is: 13,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,928.60 : 44,892.09 = 9,152.10 : x
  2. Step 2: Convert to fraction form
    29,928.60/44,892.09 = 9,152.10/x
  3. Step 3: Cross multiply
    29,928.60x = 44,892.09 × 9,152.10
  4. Step 4: Simplify right side
    29,928.60x = 410,856,896.89
  5. Step 5: Solve for x
    x = 410,856,896.89/29,928.60
  6. Step 6: Final answer
    x = 13,727.90

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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.