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Finding the Fourth Proportional to 17,285.54, 25,928.80 and 9,391.84

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Solution

The fourth proportional to 17,285.54, 25,928.80 and 9,391.84 is: 14,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.54 : 25,928.80 = 9,391.84 : x
  2. Step 2: Convert to fraction form
    17,285.54/25,928.80 = 9,391.84/x
  3. Step 3: Cross multiply
    17,285.54x = 25,928.80 × 9,391.84
  4. Step 4: Simplify right side
    17,285.54x = 243,519,052.69
  5. Step 5: Solve for x
    x = 243,519,052.69/17,285.54
  6. Step 6: Final answer
    x = 14,088.03

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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.