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Finding the Fourth Proportional to 17,234.64, 23,783.79 and 9,782.64

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Solution

The fourth proportional to 17,234.64, 23,783.79 and 9,782.64 is: 13,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,234.64 : 23,783.79 = 9,782.64 : x
  2. Step 2: Convert to fraction form
    17,234.64/23,783.79 = 9,782.64/x
  3. Step 3: Cross multiply
    17,234.64x = 23,783.79 × 9,782.64
  4. Step 4: Simplify right side
    17,234.64x = 232,668,255.41
  5. Step 5: Solve for x
    x = 232,668,255.41/17,234.64
  6. Step 6: Final answer
    x = 13,500.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.